Corsair
WS DDR5 ECC RDIMM 128GB (8 x 16GB) DDR5 DRAM 5600MT/s CL40 Memory Kit
Best high-capacity memory for professional workstation stability and data integrity.
CORSAIR WS DDR5 ECC RDIMM Memory delivers performance exceeding standard JEDEC specifications, optimized for demanding high-end applications on Intel® and AMD Workstations. This memory kit provides a total capacity of 128GB, configured as 8 modules of 16GB each. It operates at DDR5 speeds with a tested speed of 5600MT/s and a CAS Latency of CL40. Designed for professional use, it features ECC (Error-Correcting Code) for enhanced data integrity and RDIMM (Registered DIMM) for improved stability in workstation environments.
$2263.99
Owner Satisfaction
4.7
/ 5
Category Rank
96
/ 3541
#96 in RAM
Price vs Category Average
+344%
Above average
Capacity
128816
/ GB Kit ( x GB)
Who it's for
- Professionals handling mission-critical data requiring absolute accuracy
- Workstation users demanding maximum stability under heavy, continuous loads
- Power users running multiple memory-intensive applications simultaneously
Who should skip it
- Users with standard consumer motherboards lacking ECC support
- System builders planning for future memory capacity expansions
- Budget-conscious buyers seeking standard consumer-grade memory
Performance breakdown
Data Integrity
ECC support provides essential protection against critical system memory errors.
Workstation Stability
Registered DIMM architecture ensures rock-solid reliability during long-duration compute tasks.
Throughput Speed
5600MT/s delivers a significant performance uplift over standard JEDEC baseline speeds.
Multitasking Capacity
The 128GB total volume handles massive datasets and complex professional workflows easily.
Latency Efficiency
CL40 timing is balanced for stability rather than extreme low-latency gaming.
Professional Compatibility
Optimized specifically for the rigorous demands of modern workstation platforms.
Key Specs
Capacity
128GB Kit (8 x 16GB)
Memory Type
DDR5
Speed
5600MT/s
CAS Latency
CL40
Voltage
Not specified
ECC Support
Yes
Memory Registration Type
RDIMM
Heat Spreader
Not specified
Features
- Optimized for Intel® and AMD Workstations
- Exceeds JEDEC specifications for enhanced performance
- Error-Correcting Code (ECC) for data integrity
- Registered DIMM (RDIMM) for stability
- High-capacity 128GB kit for demanding applications
What customers say
Customers consistently praise the Corsair WS DDR5 ECC RDIMM memory kit for its exceptional reliability and robust quality, essential for demanding workstation environments. Users highlight its stable performance and seamless integration, ensuring data integrity and smooth operation even under heavy loads. The substantial 128GB capacity is highly valued for professional applications requiring extensive memory. While a premium investment, its dependable operation and error correcting capabilities provide significant peace of mind, making it a trusted choice for critical systems.
Know before you buy
No, this kit uses RDIMM (Registered DIMM) technology, which is specifically designed for workstation-grade motherboards. It will not function in standard consumer motherboards that require unbuffered memory.
ECC (Error-Correcting Code) memory automatically detects and fixes common data corruption issues. This is essential for professional tasks like long-duration rendering or complex simulations where system stability and data accuracy are critical.
No, this memory is designed for stability and reliability in professional environments rather than enthusiast overclocking. It operates at its rated 5600MT/s speed out of the box without the need for XMP or DOCP profiles.
This kit consists of eight 16GB modules. You will need a workstation motherboard that supports an 8-channel memory configuration to utilize the full kit as intended.
This Corsair kit is engineered to exceed standard JEDEC specifications, offering higher performance and tighter timings than baseline DDR5 modules. It is optimized specifically to handle the heavy, sustained workloads typical of modern Intel and AMD workstations.
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$2264