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Four green DDR5 RDIMM sticks, bare chips, 288-pin server memory kit

A-Tech

A-Tech 256GB (4x64GB) DDR5 4800 EC4 RDIMM 2Rx4 Server RAM

SKU CH-G55A-0SYBE

A 256GB quad-channel DDR5-4800 ECC registered server memory kit with four 64GB dual-rank modules at CL40 and 1.1V

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 SDRAM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Capacity 256GB (4 x 64GB)

  • 256 GB quad-channel kit handles heavy server workloads
  • 4800 MHz DDR5 speed accelerates data throughput for demanding applications
  • ECC registered 2Rx4 design corrects errors to protect data integrity
  • 10 V standard voltage reduces power draw per module
  • 288-pin DDR5 form factor fits compatible server and workstation slots

256GB DDR5 4800 EC4 RDIMM Kit

This 256GB quad-channel kit contains four 64GB DDR5 4800 EC4 RDIMM modules built for servers and workstations that require registered ECC memory. It targets administrators who need to expand capacity on platforms supporting DDR5 4800 registered DIMMs. It is not for desktop or laptop systems that accept only unbuffered memory.

288-pin DDR5 registered DIMM installation

Modules install vertically into 288-pin DDR5 DIMM slots following the server or workstation manual channel population rules. Registered DIMMs add one clock cycle of buffering, so the memory controller must support registered operation. A common issue is mixing registered and unbuffered DIMMs or populating slots in an order the firmware does not expect, which prevents the system from posting.

256GB capacity at 4800 MT/s with CL40

The kit delivers 256GB total at DDR5 4800 (PC5-38400) with CL40 latency at 1.10V, using dual-rank x4 organisation and on-die ECC for error correction. This headroom suits virtualization hosts, database nodes and compute workloads that benefit from large registered memory pools. Workloads needing higher transfer rates or lower latency than DDR5 4800 CL40 provides will not be satisfied by this kit.

Points forts

  • 256 GB quad-channel kit handles heavy server workloads
  • 4800 MHz DDR5 speed accelerates data throughput for demanding applications
  • ECC registered 2Rx4 design corrects errors to protect data integrity
  • 10 V standard voltage reduces power draw per module
  • 288-pin DDR5 form factor fits compatible server and workstation slots

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR5 Server Memory RAM
ModelA-Tech 64GB 2Rx4 PC5-4800B-R EC4
Part NumberAT64G4D5D4800RD4EC4N11V
Capacity256GB (4 x 64GB)
Type288-Pin DDR5 SDRAM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitQuad Channel Kit
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesMajor Brand Chips / Error Correcting Technology for Server Systems

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

How do I confirm the kit runs at 4800 MHz CL40 1.10V after installation?

Enter the system BIOS or UEFI and open the memory information screen; it should report 4800 MT/s, CAS latency 40, and 1.10 V for each of the four modules.

What comes in the box and do I need any extra parts?

The package contains four 64 GB 288-pin DDR5 RDIMM modules; no heat spreaders, cables, or additional hardware are included or required.

Which capacity kit matches a four-slot server that needs 256 GB total?

This 256 GB quad-channel kit (4 × 64 GB, 2Rx4 EC4 registered) fills all four slots and delivers the full 256 GB capacity.

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