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Two green DDR5 server DIMMs, 288-pin, no heat spreader, 128GB kit

A-Tech

A-Tech 128GB (2x64GB) DDR5 4800 ECC Registered 2Rx4 Server RAM

SKU CH-P1DA-BV95X

Two 64 GB DDR5 ECC registered DIMMs at 4800 MHz with CL40 latency and 1.1 V operation

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Capacity 128GB (2 x 64GB)

  • 128 GB kit (2 × 64 GB modules) expands server memory capacity
  • DDR5 4800 MHz (PC5-38400) speed accelerates data throughput
  • ECC Registered (EC4 RDIMM) detects and corrects memory errors
  • Dual-rank 2Rx4 organisation increases memory density per channel
  • 1 V standard voltage matches DDR5 platform requirements

Server DDR5 ECC Registered Kit

This A-Tech kit supplies 128GB of DDR5 4800 ECC Registered memory in two 64GB 2Rx4 modules. It is built for servers and workstations that require error-correcting registered DIMMs. The dual-channel kit runs at 1.10V with a CAS latency of 40. Systems needing registered ECC DDR5 at this speed and density will use this memory directly.

For DDR5 Servers and Workstations Only

This memory suits administrators upgrading compatible DDR5 servers or workstations that accept 288-pin EC4 RDIMM modules. It will not function in desktop PCs, laptops or any platform that uses unbuffered non-ECC DDR5 or earlier DDR generations. Buyers whose systems require unbuffered memory or a different form factor must select a different product type.

2Rx4 Registered ECC DDR5 at 4800 MHz

The decisive specification is the 2Rx4 Registered ECC DDR5 4800 configuration on a 288-pin DIMM. Only systems qualified for this exact module type, rank organisation and voltage will accept the kit. Verify the motherboard or server manual for supported memory before ordering.

How it compares

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

Price $3,658.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $28.59 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR5 Server Memory RAM
Model nameA-Tech 64 GB 2Rx4 PC5-4800B-R EC4
Part numberAT64G2D5D4800RD4EC4N11 V
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V

Other versions of this model

5 more in the same range

Questions about this item

My server board only has DDR5 slots — will these 288-pin 1.10V modules seat correctly?

Yes, each module is a 288-pin DDR5 RDIMM built for 1.10V operation and will fit any server board with DDR5 registered DIMM slots.

Can I add this 2Rx4 kit to existing 1Rx4 DDR5 RDIMMs in the same channel?

Mixing dual-rank x4 modules with single-rank x4 modules in the same channel is not recommended; populate identical ranks per channel for stable operation.

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

Enter the system BIOS or use a hardware utility such as CPU-Z; the memory tab should show 4800 MT/s and CAS latency 40 for each 64 GB module.

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