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Two green DDR5 RDIMM sticks with black heatspreaders and gold contacts

RIMLANCE

RIMLANCE 256GB (2x128GB) DDR5 6400MHz ECC Registered RDIMM Server Memory

SKU CH-WT8Z-F1K8A

A 256GB dual-channel DDR5 kit with ECC registered RDIMMs running at 6400MHz and CL52 for server workloads

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix Chipset
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256 GB total capacity from two 128 GB modules
  • DDR5 6400 speed with PC5-51200 bandwidth rating
  • ECC registered design detects and corrects memory errors
  • 10 V operation reduces power draw under load
  • Built with Samsung, Micron or Hynix DRAM chips for reliability

Server DDR5 ECC RDIMM Kit

This RIMLANCE kit provides 256 GB of DDR5 server memory in two 128 GB registered DIMMs. It runs at 6400 MT/s with a CAS latency of 52 and operates at 1.10 V. The modules use ECC and registered buffering for data integrity in multi-socket platforms.

For DDR5 servers needing maximum registered capacity

The kit suits administrators expanding memory in DDR5-compatible servers and workstations that require registered ECC modules. It is not for consumer desktops, laptops or any system that accepts only unbuffered non-ECC memory.

Fits 288-pin DDR5 RDIMM slots

Each module plugs into a standard 288-pin DDR5 registered DIMM socket. The registered design reduces electrical load on the memory controller, allowing higher total capacity per channel. Verify your platform supports DDR5 registered ECC before installation.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $11,614.99
Pricier than about 91% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).
Price per GB $45.37 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameRIMLANCE
Product lineRIMLANCE DDR5 Series RAM Module
Model nameDDR5 ECC Registered RDIMM Server Memory
Total capacity256 GB (2 × 128 GB)
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix Chipset
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.1 V

Questions about this item

Does this 256GB DDR5 6400 ECC Registered RDIMM kit need a motherboard with 288-pin DDR5 RDIMM slots?

Yes, the modules use the 288-pin DDR5 RDIMM form factor and require a server or workstation board that supports DDR5 registered memory.

Will these 1.1V 128GB modules run at their rated 6400 speed on a platform that only supports lower DDR5 frequencies?

They will operate at the highest speed the platform allows, which may be below 6400, while maintaining the 1.1V voltage and ECC registered function.

How can I confirm the kit is running at 6400 with CAS 52 and ECC active after installation?

Check the memory speed, latency and ECC status in the BIOS/UEFI or with a tool such as dmidecode, CPU-Z or the OS memory report.

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