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Four green DDR5 RDIMM sticks without heat spreaders, 288-pin, 256GB kit

NEMIX RAM

NEMIX RAM DDR5 256GB (4x64GB) 5600MHz CL46 1.1V ECC RDIMM 288-Pin Kit for Lenovo ThinkSystem SR680a V3

SKU CH-JQ5Q-J5207

A 256 GB DDR5 ECC RDIMM kit of four 64 GB modules running at 5600 MHz CL46 and 1.1 V, validated for the Lenovo ThinkSystem SR680a V3 server

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • ECC protection guards data integrity in critical workloads
  • 5600 MHz DDR5 speed feeds high-throughput server tasks
  • 1 V operation reduces power draw per module
  • 4Rx4 288-pin RDIMM layout maximises density per slot
  • 256 GB kit (4 × 64 GB) scales ThinkSystem SR680a V3 memory capacity

256GB DDR5 ECC RDIMM kit for Lenovo SR680a V3

This 256GB kit contains four 64GB DDR5 5600MHz registered DIMMs built for the Lenovo ThinkSystem SR680a V3. Each module runs at 1.1V with CL46 latency and provides error-correcting code protection for data integrity. The 4Rx4 organisation suits high-density server configurations.

Sustained-load behaviour with registered DDR5

Registered buffering reduces electrical load on the memory controller during continuous operation, helping maintain signal quality across all four modules. ECC detection corrects single-bit errors in real time, preventing silent data corruption during long compute runs. The 1.1V operating voltage limits thermal output under constant throughput.

4Rx4 rank layout decides fit

The quad-rank 4Rx4 design packs 64GB into each 288-pin slot, so maximum capacity depends on the server's supported rank count per channel. Systems limited to dual-rank or single-rank DIMMs cannot use these modules. Verify the platform's rank-per-channel limit before purchase.

Punti di forza

  • ECC protection guards data integrity in critical workloads
  • 5600 MHz DDR5 speed feeds high-throughput server tasks
  • 1 V operation reduces power draw per module
  • 4Rx4 288-pin RDIMM layout maximises density per slot
  • 256 GB kit (4 × 64 GB) scales ThinkSystem SR680a V3 memory capacity

Caratteristiche tecniche

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR44800-944K4
Capacity256GB (4 x 64GB)
SpeedDDR5 5600 (PC5 44800)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemLenovo
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB (4 x 64GB) DDR5 5600MHz PC5-44800 4Rx4 1.1V 288-PIN ECC RDIMM KIT

Domande su questo articolo

How much heat and power draw should I expect from the 4Rx4 1.1V DDR5 RDIMM kit running continuously?

Each 64 GB module operates at 1.1 V with no heat spreader, so the kit relies on server airflow for cooling; registered DDR5 at this voltage typically draws modest power under sustained load.

What must the Lenovo ThinkSystem SR680a V3 already have to accept this 256 GB DDR5 ECC RDIMM kit?

The server needs DDR5 RDIMM slots that support 4Rx4 registered ECC modules at 5600 MHz and a BIOS revision that recognises the full 256 GB capacity across four 288-pin sockets.

Will this 5600 MHz CL46 DDR5 kit downclock reliably if I keep older DDR5 RDIMMs at lower speeds in the same chassis?

All modules are DDR5 RDIMMs, so the memory controller will negotiate a common speed; the kit runs at CL46 5600 MHz, and any slower DDR5 RDIMMs present will simply operate at the lowest shared frequency.

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