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Four green DDR5 RDIMM sticks, 288-pin, black chips, silver labels

A-Tech

A-Tech 256GB (4x64GB) DDR5 4800 PC5-38400R EC8 RDIMM 2Rx4 Server RAM

SKU CH-38P0-BMRZS

A 256 GB quad-channel kit of four 64 GB DDR5-4800 ECC registered RDIMMs with CL40 latency and 1.1 V operation for servers and workstations

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered

Capacity 256GB (4 x 64GB)

  • 256 GB capacity across four 64 GB modules for large workloads
  • DDR5 4800 MHz speed delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • Dual-rank x4 organisation increases memory density per channel
  • 1 V standard voltage reduces power draw per module

Capacity and Configuration

This kit provides 256GB of DDR5 server memory across four 64GB modules. It is built for servers and workstations that require registered ECC DIMMs with a dual-rank x4 organisation.

Interface Limits

DDR5 4800 operates at 1.1V and uses a 288-pin registered DIMM form factor. The registered buffer and ECC circuitry add latency compared with unbuffered desktop memory, and the modules will not function in consumer desktop or laptop platforms.

Deciding Specification

The EC8 2Rx4 rank architecture determines whether the memory controller can address the full 256GB kit at the rated 4800 MT/s speed. Verify that your server or workstation qualification list explicitly supports this rank configuration before purchase.

商品特色

  • 256 GB capacity across four 64 GB modules for large workloads
  • DDR5 4800 MHz speed delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • Dual-rank x4 organisation increases memory density per channel
  • 1 V standard voltage reduces power draw per module

商品規格

BrandA-Tech
SeriesA-Tech DDR5 Server Memory RAM
ModelA-Tech 64GB 2Rx4 PC5-4800B-R EC8
Capacity256GB (4 x 64GB)
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitQuad Channel Kit
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Should I buy this 256 GB kit or look for a smaller capacity?

This kit provides 256 GB total across four 64 GB modules. Choose it when your server or workstation needs that full capacity and has four available DIMM slots for quad-channel operation.

What does the 4800 MHz rating deliver in a live server?

The modules run at DDR5 4800 with CL40 latency and 1.10 V, giving the peak transfer rate of PC5-38400 for workloads that can use the full bandwidth.

Is the PC5-38400 RDIMM interface compatible with my platform?

These are 288-pin DDR5 ECC Registered DIMMs (EC8, 2Rx4). They fit only DDR5 server and workstation platforms that support registered ECC memory; they will not work in desktop or laptop systems.

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