CJWDPDSWEZ X399 STR4 Motherboard Alternatives: 6 Similar Picks Compared
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You are looking for cjwdpdswez fit asrock x399 phantom alternatives to replace or upgrade your current system. The original CJWDPDSWEZ X399 STR4 motherboard supports Threadripper 2950X and 2970WX processors with DDR4 memory and three M.2 slots. It uses PCIe 3.0, which provides reliable performance for gaming builds that do not require the latest interface standards. This configuration works well for users who need a functional swap for existing STR4 systems.
You might want a different option if you need a different socket, form factor, or brand. Some builders prefer AM4 sockets for Ryzen CPUs, while others seek E-ATX sizes for workstations or LGA 1700 for Intel platforms. We selected these alternatives because their specifications overlap with the original in key areas like memory type and PCIe generation. This guide compares 6 similar picks to help you find the right fit for your specific hardware requirements.
How these boards compare
THFKLXT X399 STR4 Threadripper Motherboard
The THFKLXT X399 STR4 Threadripper Motherboard targets users replacing the ASRock X399 Phantom Gaming 6. Like the CJWDPDSWEZ option, it supports Threadripper processors via the STR4 socket and uses PCIe 3.0. It also relies on DDR4 memory. The key difference lies in its specific compatibility focus. If your current setup is an ASRock Phantom Gaming 6, this board offers a direct functional swap. It maintains the older interface standards, meaning you do not get PCIe 4.0 or 5.0 speeds. It is a practical choice for repairs where exact form factor and socket match matter more than modern expansion bandwidth. It suits builders who need a reliable, like-for-like replacement for their existing Threadripper gaming or workstation rig without upgrading the platform.
Gigabyte AM4 Micro-ATX Motherboard
The Gigabyte AM4 Micro-ATX Motherboard shifts the focus from Threadripper to compact Ryzen systems. Unlike the CJWDPDSWEZ board, which uses the large STR4 socket for high-end processors, this board uses the AM4 socket for 3rd Gen Ryzen CPUs. It is a Micro-ATX form factor, measuring 10.4 by 9.25 inches, making it significantly smaller than typical X399 boards. It supports DDR4 memory and PCIe 3.0, similar to the original. However, it lacks the multi-GPU and high-core-count support of Threadripper. It includes a 1GbE Ethernet port. This board is for users building small form factor systems who do not need PCIe 4.0 or Wi-Fi. It is a cost-effective alternative for compact gaming builds rather than a direct replacement for Threadripper workstations.
MSI AM4 Micro-ATX DDR4 Motherboard
The MSI AM4 Micro-ATX DDR4 Motherboard is designed for compact AM4 gaming builds. It uses the AM4 socket, which is incompatible with the STR4 socket on the CJWDPDSWEZ board. This board measures 9.6 by 8.3 inches, offering a smaller footprint than the original X399 model. It supports DDR4 memory and PCIe 3.0, matching the connectivity standards of the original. The main difference is the target processor. While the original supports Threadripper, this board supports Ryzen desktop CPUs. It is a straightforward option for users who want reliable performance in a small case. It does not offer the expansion slots or memory channels of a Threadripper board. It is best for builders prioritizing compact size and budget over high-end workstation capabilities.
MSI B550 Gaming ATX Motherboard
The MSI B550 Gaming ATX Motherboard offers a larger ATX form factor compared to the compact nature of many alternatives. It uses the AM4 socket, so it does not fit Threadripper CPUs. It supports DDR4 memory and PCIe 3.0, aligning with the original board's interface standards. The B550 chipset provides a balance of features for gaming. It lacks the extensive PCIe lanes of the X399 platform. This board is for users who want standard ATX dimensions and reliable DDR4 performance. It is not a direct replacement for Threadripper systems. It suits builders who prioritize standard expansion and gaming performance over the multi-GPU and high-core-count capabilities of the STR4 socket. It is a solid choice for mainstream AM4 gaming rigs.
ASRock Intel W790 E-ATX Motherboard
The ASRock Intel W790 E-ATX Motherboard is a specialized workstation board for Intel processors. It uses the LGA 4677 socket, which is completely different from the STR4 socket on the CJWDPDSWEZ board. It supports ECC memory, a feature not listed for the original board. The form factor is Extended ATX, making it larger and more suitable for high-end workstations. It is designed for 4th Gen Intel Xeon W processors. This board is for users needing multi-GPU setups and ECC memory support. It does not support Threadripper or DDR4 memory. It is a high-end alternative for workstation builders who require Intel compatibility and advanced memory error correction. It is not suitable for gaming builds using AMD processors.
ASUS ROG Maximus Z790 Dark Hero
The ASUS ROG Maximus Z790 Dark Hero is a high-end Intel gaming board. It uses the LGA 1700 socket, which is incompatible with the STR4 socket. It supports DDR5 memory, a significant upgrade from the DDR4 used in the CJWDPDSWEZ board. It features PCIe 5.0, offering much higher bandwidth than the PCIe 3.0 on the original. It includes Wi-Fi 7 for advanced wireless connectivity. This board is for enthusiasts who demand top-tier performance and future-proofing. It is an ATX form factor, similar in size to many X399 boards. It is ideal for users prioritizing high-speed storage and advanced connectivity over the legacy support of Threadripper. It is not a direct replacement but a modern alternative for high-end Intel gaming and content creation.
Quick picks
Our 7 picks
CJWDPDSWEZ X399 STR4 Motherboard
Best for: Threadripper 2950X/2970WX gaming builds
- CPU Socket
- STR4
- Memory Type
- DDR4
- PCIe Version
- PCIe 3.0
- M.2 Slots
- 3
- Use Case
- Gaming
- Series
- Ryzen Threadripper
View on Amazon: CJWDPDSWEZ X399 STR4 Motherboard Affiliate link
This replacement motherboard supports the STR4 socket and Ryzen Threadripper 2950X or 2970WX processors. It uses DDR4 memory and PCIe 3.0 lanes. You get three M.2 slots for storage. The design targets gaming workloads with enhanced cooling. It fits users needing a direct swap for the ASRock X399 Phantom Gaming 6. The build focuses on stable performance for high-resolution tasks.
Pros
- Supports STR4 socket for Threadripper CPUs
- Includes three M.2 slots for fast storage
- Uses DDR4 memory for compatibility
- Features enhanced cooling for gaming loads
Cons
- Limited to PCIe 3.0 bandwidth
- No onboard Wi-Fi mentioned
- Generic "One Size" build lacks specific dimensions
Good fit if
- You need a direct replacement for the ASRock X399 Phantom Gaming 6
- You use Threadripper 2950X or 2970WX processors
- You require multiple M.2 storage options
Skip if
- You need PCIe 4.0 or 5.0 speeds
- You require onboard wireless connectivity
- You are building with AM4 or LGA 1700 CPUs
Verdict: CJWDPDSWEZ X399 STR4 Replacement Board is a functional swap for users upgrading or repairing Threadripper systems. It delivers the necessary STR4 support and storage options for gaming enthusiasts who do not need modern PCIe standards.
THFKLXT X399 STR4 Threadripper Motherboard
Best for: ASRock X399 Phantom Gaming 6 replacements
- CPU Socket
- STR4
- Chipset
- X399
- Memory Type
- DDR4
- PCIe Version
- PCIe 3.0
- M.2 Slots
- 3
- Use Case
- Gaming
View on Amazon: THFKLXT X399 STR4 Threadripper Motherboard Affiliate link
The THFKLXT X399 STR4 motherboard supports AMD Threadripper processors. It features three M.2 slots for storage and uses DDR4 memory. The board relies on PCIe 3.0 for data transmission. This setup suits users needing a replacement or upgrade for ASRock X399 Phantom Gaming 6 systems. It handles multitasking and gaming workloads effectively.
Pros
- Supports STR4 CPU socket for Threadripper processors
- Includes three M.2 slots for high-speed storage
- Uses DDR4 memory type for compatibility
- Optimized for gaming and multitasking workloads
Cons
- Limited to PCIe 3.0 bandwidth
- No integrated Wi-Fi or Bluetooth mentioned
- Does not support newer DDR5 memory
Good fit if
- You need a replacement for an ASRock X399 Phantom Gaming 6
- You use AMD Threadripper CPUs for heavy workloads
- You prefer DDR4 memory systems
Skip if
- You require the latest PCIe 4.0 or 5.0 speeds
- You need built-in wireless connectivity
- You are building a new system with newer Intel or AMD platforms
Verdict: The THFKLXT X399 STR4 Motherboard fits users upgrading or repairing ASRock X399 Phantom Gaming 6 systems. It delivers reliable performance for Threadripper workloads despite older interface standards.
Gigabyte AM4 Micro-ATX Motherboard
Best for: Compact AM4 builds with Ryzen CPUs
- CPU Socket
- AM4
- Form Factor
- MicroATX
- Memory Type
- DDR4
- PCIe Version
- PCIe 3.0
- M.2 Slots
- 1
- Ethernet Speed
- 1GbE
View on Amazon: Gigabyte AM4 Micro-ATX Motherboard Affiliate link
This Gigabyte board uses the AMD AM4 socket for Ryzen processors. It features a MicroATX form factor and 4+3 phase digital PWM. You get dual-channel DDR4 support and one NVMe PCIe 3.0 x4 M.2 slot. The 1GbE LAN handles networking. It suits users needing a compact, budget-friendly platform for 3rd Gen Ryzen chips.
Pros
- Supports 3rd Gen AMD Ryzen Processors
- MicroATX form factor for compact builds
- 4+3 Phases Digital PWM
- 1x NVMe PCIe 3.0 x4 M.2 Slot
- 1GbE LAN connectivity
Cons
- Only two DDR4 DIMM slots
- PCIe 3.0 limits newer GPU bandwidth
- No Wi-Fi included
Good fit if
- You need a compact AM4 motherboard
- You use 3rd Gen Ryzen CPUs
- You want a budget-friendly board
Skip if
- You require PCIe 4.0 support
- You need four RAM slots
- You want built-in Wi-Fi
Verdict: Gigabyte A520M S2H MicroATX AM4 fits users building compact systems with 3rd Gen Ryzen processors who do not need PCIe 4.0 or Wi-Fi.
MSI AM4 Micro-ATX DDR4 Motherboard
Best for: compact AM4 gaming builds
- CPU Socket
- AM4
- Form Factor
- Micro-ATX
- Memory Type
- DDR4
- PCIe Version
- PCIe 3.0
- Use Case
- Gaming
- Dimensions
- 9.6 × 8.3 × 1.5 inches
View on Amazon: MSI AM4 Micro-ATX DDR4 Motherboard Affiliate link
This Micro-ATX motherboard supports 3rd Gen AMD Ryzen processors and DDR4 memory up to 4600 MHz overclocked. It features PCIe 3.0 connectivity and a Turbo M.2 slot for NVMe SSDs. The board includes Audio Boost for sound quality and Dragon Center software for system management. It is a compact option for AM4 builds focused on standard gaming performance.
Pros
- Supports DDR4 memory up to 4600 MHz overclock
- Turbo M.2 slot for high-speed NVMe SSDs
- Audio Boost for studio-grade sound quality
- Compact Micro-ATX form factor
Cons
- Limited to PCIe 3.0 bandwidth
- Micro-ATX size offers fewer expansion slots
- No mention of WiFi or Bluetooth connectivity
Good fit if
- You are building a budget AM4 gaming PC
- You need a compact Micro-ATX case fit
- You prioritize DDR4 memory speeds over PCIe 4.0
Skip if
- You require PCIe 4.0 or 5.0 speeds
- You need built-in WiFi or Bluetooth
- You are building an Intel-based system
Verdict: MSI A520M-A PRO Micro-ATX is a straightforward Micro-ATX board for AM4 users who want reliable DDR4 support and compact dimensions without the cost of newer chipsets.
MSI B550 Gaming ATX Motherboard
Best for: AM4 gaming builds using DDR4 memory
- CPU Socket
- AM4
- Chipset
- B550
- Form Factor
- ATX
- Memory Type
- DDR4
- PCIe Version
- PCIe 3.0
- Use Case
- Gaming
View on Amazon: MSI B550 Gaming ATX Motherboard Affiliate link
This MSI motherboard uses the AMD B550 chipset and AM4 socket. It supports Ryzen 5000 and 4000 G-Series processors with DDR4 memory up to 4400 MHz. The ATX form factor fits standard cases. It features a PCIe 3.0 interface and Turbo M.2 slots. This board suits gamers building on the AM4 platform who need reliable DDR4 support and standard expansion options.
Pros
- Supports AMD Ryzen 5000 and 4000 G-Series desktop processors
- ATX form factor for standard case compatibility
- DDR4 memory support up to 4400 MHz
- Turbo M.2 Gen3 x4 slot for fast storage
Cons
- PCIe 3.0 limits bandwidth for latest Gen4 or Gen5 devices
- AM4 socket restricts use to older Ryzen generations
- No mention of built-in Wi-Fi or Bluetooth connectivity
Good fit if
- You are building a budget AM4 gaming PC
- You need a standard ATX board for DDR4 memory
- You want a chipset that supports Ryzen 5000 series
Skip if
- You require PCIe 4.0 or 5.0 speeds
- You are using an Intel processor
- You need a newer AM5 socket for Ryzen 7000
Verdict: MSI B550 Gaming GEN3 ATX Motherboard is a solid choice for AM4 builders who prioritize DDR4 performance and standard expansion over the latest PCIe standards.
ASRock Intel W790 E-ATX Motherboard
Best for: Workstations needing ECC memory and multi-GPU setups
- CPU Socket
- LGA-4677
- Chipset
- Intel W790
- Form Factor
- Extended ATX
- Memory Type
- DDR5
- PCIe Version
- PCIe 5.0
- M.2 Slots
- 4
View on Amazon: ASRock Intel W790 E-ATX Motherboard Affiliate link
This ASRock W790 WS board uses the LGA4677 socket for 4th Gen Intel Xeon W processors. It features an Extended ATX layout with 20+2 power phases and eight DDR5 slots supporting up to 2048GB of ECC memory. You get four PCIe 5.0 x16 slots and triple LAN options. It suits users needing workstation-class stability and massive memory capacity for professional workloads.
Pros
- LGA4677 socket supports 4th Gen Intel Xeon W-3400/W-2400 processors
- Eight DDR5 DIMM slots with quad-channel ECC RDIMM support up to 2048GB
- Four PCIe 5.0 x16 slots for multi-GPU configurations
- 20+2 phase power delivery with 90A SPS Dr.MOS
Cons
- Extended ATX form factor requires a large chassis with adequate clearance
- No built-in Wi-Fi; relies on the Intel i225LM 2.5GbE LAN and dual 10GbE ports
- Heavy build at 2.16 pounds due to server-grade PCB design
Good fit if
- You need ECC memory for mission-critical stability
- You use 4th Gen Intel Xeon W processors
- You require multiple PCIe 5.0 x16 slots for deep learning or rendering
Skip if
- You use consumer Intel Core processors
- You need built-in Wi-Fi connectivity
- You prefer a standard ATX or MicroATX board for smaller cases
Verdict: ASRock W790 WS Extended ATX is a specialized workstation board for users requiring ECC memory and multi-GPU setups with 4th Gen Intel Xeon W processors.
ASUS ROG Maximus Z790 Dark Hero
Best for: High-end Intel gaming and content creation
- CPU Socket
- LGA 1700
- Chipset
- Intel Z790
- Form Factor
- ATX
- Memory Type
- DDR5
- PCIe Version
- PCIe 5.0
- M.2 Slots
- 5
View on Amazon: ASUS ROG Maximus Z790 Dark Hero Affiliate link
The ASUS ROG Maximus Z790 Dark Hero is an ATX motherboard for Intel LGA 1700 processors. It supports 13th, 12th, and 14th Gen Intel Core CPUs. The board features Wi-Fi 7 and PCIe 5.0 connectivity. It includes a robust 20+1+2 power stage design for stable performance. This model suits gamers and creators who need high-speed storage and modern wireless standards.
Pros
- Intel LGA 1700 socket supports 12th, 13th, and 14th Gen processors
- Wi-Fi 7 and PCIe 5.0 for latest connectivity standards
- 20+1+2 power stages with massive heatsinks for thermal management
- Five M.2 slots with substantial cooling solutions
- Dual Thunderbolt 4 ports and USB 20Gbps front-panel connector
Cons
- ATX form factor requires a large case
- Limited to DDR5 memory only
- No mention of onboard LCD display or screen
Good fit if
- You are building a high-end Intel gaming PC
- You need Wi-Fi 7 and PCIe 5.0 support
- You require extensive M.2 storage options
Skip if
- You are using an AMD Ryzen processor
- You need DDR4 memory support
- You are building in a small form factor case
Verdict: The ASUS ROG Maximus Z790 Dark Hero fits enthusiasts who demand top-tier Intel compatibility and future-proof connectivity. It is ideal for users who prioritize high-speed storage and advanced wireless standards in a standard ATX build.
Specifications side by side
| Spec | CJWDPDSWEZ X399 STR4 Motherboard | THFKLXT X399 STR4 Threadripper Motherboard | Gigabyte AM4 Micro-ATX Motherboard | MSI AM4 Micro-ATX DDR4 Motherboard | MSI B550 Gaming ATX Motherboard | ASRock Intel W790 E-ATX Motherboard | ASUS ROG Maximus Z790 Dark Hero |
|---|---|---|---|---|---|---|---|
| CPU Socket | STR4 | STR4 | AM4 | AM4 | AM4 | LGA-4677 | LGA 1700 |
| Chipset | not stated | X399 | not stated | not stated | B550 | Intel W790 | Intel Z790 |
| Form Factor | not stated | not stated | MicroATX | Micro-ATX | ATX | Extended ATX | ATX |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 | DDR5 | DDR5 |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 5.0 | PCIe 5.0 |
| M.2 Slots | 3 | 3 | 1 | not stated | not stated | 4 | 5 |
| Wi-Fi Standard | not stated | not stated | not stated | not stated | not stated | Wi-Fi 6E | Wi-Fi 7 |
| Ethernet Speed | not stated | not stated | 1GbE | not stated | not stated | 10GbE, 2.5GbE | not stated |
| Power Phases | not stated | not stated | 4+3 | not stated | not stated | 20+2 | 20+1+2 |
| Wi-Fi | not stated | not stated | not stated | not stated | not stated | not stated | Wi-Fi 7 |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming |
| Series | Ryzen Threadripper | Ryzen Threadripper | not stated | not stated | not stated | not stated | not stated |
| Dimensions | not stated | not stated | 10.4 × 9.25 × 2.04 inches | 9.6 × 8.3 × 1.5 inches | 12 × 9.6 × 2.5 inches | 12.2 × 8.27 × 1.97 inches | not stated |
| Weight | not stated | not stated | 15.5 ounces | 14.1 ounces | not stated | 2.16 pounds | 1.5 pounds |
| Size | One Size | One Size | Pack of 1 | not stated | not stated | not stated | Z790 Dark Hero|M.2 x5|WiFi 7| |
| Color | One Color | One Color | Multicolor | not stated | not stated | not stated | BLACK |
| Model | HGCFEEFYF | THFKLXT123 | A520M S2H | A520M-A PRO | B550 Gaming GEN3 | W790WS | ROG MAXIMUS Z790 DARK HERO |
If you need a compatible power supply for your build, compare asrock phantom gaming pg 1600g 1600w alternatives.
Frequently asked questions
Is the CJWDPDSWEZ X399 STR4 a direct replacement for the ASRock X399 Phantom?
Yes, it serves as a functional swap for users upgrading or repairing Threadripper systems. It delivers the necessary STR4 support and storage options for gaming enthusiasts who do not need modern PCIe standards. The board uses PCIe 3.0, ensuring compatibility with older components while maintaining stable performance for Threadripper 2950X and 2970WX processors.
Does the THFKLXT X399 STR4 support the same CPUs as the Phantom Gaming 6?
Yes, it fits users upgrading or replacing ASRock X399 Phantom Gaming 6 systems. It delivers reliable performance for Threadripper workloads despite using older interface standards. Like the original, it relies on the STR4 socket and DDR4 memory, making it a suitable alternative for those seeking a direct hardware match without requiring new platform components.
Can I use AM4 motherboards for my Threadripper build?
No, AM4 motherboards like the Gigabyte A520M S2H or MSI A520M-A PRO are designed for compact Ryzen CPU builds. They use the AM4 socket, which is incompatible with the larger STR4 socket required for Threadripper processors. You must choose a board explicitly supporting the Threadripper series to ensure proper CPU installation and system functionality.
What is the difference between the CJWDPDSWEZ and THFKLXT X399 boards?
Both boards support Threadripper processors via the STR4 socket and use PCIe 3.0. The CJWDPDSWEZ model is positioned as the best overall choice for gaming builds, while the THFKLXT option is labeled best for replacing ASRock Phantom Gaming 6 units. Both rely on DDR4 memory, so the choice depends on specific brand preference or availability rather than major spec differences.
Do any of these alternatives support DDR5 memory?
Only the ASUS ROG Maximus Z790 Dark Hero supports DDR5 memory. It is an LGA 1700 board for Intel processors, not a Threadripper alternative. The CJWDPDSWEZ and THFKLXT X399 boards, along with the AM4 options, all rely on DDR4 memory. You cannot upgrade to DDR5 on the X399 platform without changing your CPU and motherboard entirely.
Is the ASRock W790 WS a good replacement for the X399 Phantom?
No, the ASRock W790 WS is an E-ATX board for 4th Gen Intel Xeon W processors, not AMD Threadripper. It is designed for workstations needing ECC memory and multi-GPU setups. The X399 Phantom uses the STR4 socket for AMD CPUs. You need a board with the correct socket type to ensure compatibility with your existing processor.
Which board offers the best connectivity for modern gaming?
The ASUS ROG Maximus Z790 Dark Hero offers the most advanced connectivity with Wi-Fi 7 and PCIe 5.0 support. However, it is for Intel LGA 1700 CPUs, not Threadripper. For X399 replacements, both the CJWDPDSWEZ and THFKLXT boards use PCIe 3.0, which provides reliable performance but lacks the bandwidth of newer standards found in modern Intel and AMD platforms.
Are the AM4 boards suitable for high-end gaming builds?
The MSI B550 Gaming ATX is a solid choice for AM4 builders prioritizing DDR4 performance and standard expansion. It supports AMD B550 chipsets and offers reliable gaming capabilities. However, it does not fit Threadripper systems. If you are building a compact AM4 system, it provides a straightforward solution without the cost of newer chipsets or DDR5 support.