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Green 240-pin DDR3L server DIMM with black chips and silver label

A-Tech

A-Tech 8GB DDR3L 1600 ECC RDIMM 2Rx4 1.35V HP 713984-B21 A2Z51AA server RAM

SKU CH-E0NA-DY4A9

An 8 GB DDR3L 1600 MHz ECC registered DIMM with 1.35 V operation and 2Rx4 layout for compatible HP servers

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 8GB DDR3L 1600 ECC RDIMM expands server capacity
  • 35V low-voltage operation reduces power draw
  • Registered 2Rx4 design supports multi-DIMM stability
  • 240-pin DDR3 form factor fits HP 713984-B21 systems
  • CL11 latency at 1600MHz delivers responsive throughput

Replacement for HP server DIMMs

This A-Tech module is an 8 GB DDR3L 1600 MHz registered ECC DIMM built to replace HP part numbers 713984-B21, 713983-B21, A2Z51AA, 715283-001, 713983-B211 and 713755-071. It runs at 1.35 V with CL11 latency and a 2Rx4 organisation. The 240-pin form factor fits compatible HP server and workstation platforms.

Suited for registered ECC platforms

It suits administrators upgrading or repairing HP servers that require registered ECC memory at DDR3L 1600 speeds. It is not for systems that accept only unbuffered non-ECC DIMMs, nor for platforms that cannot operate at 1.35 V. Buyers who need a different capacity or rank configuration should verify their motherboard documentation before ordering.

Registered ECC with 2Rx4 layout

The single specification that decides fitment is the registered ECC design with a 2Rx4 rank structure at DDR3L 1600. Only motherboards that explicitly support registered ECC modules in this rank arrangement will POST correctly with this DIMM.

How it compares

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

Price $30.99
Cheaper than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $3.87 per GB
Cheaper than about 83% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity8 GB
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.35 V

Questions about this item

Does my server need a DDR3L 240-pin RDIMM slot to accept this 8 GB module?

Yes, this module is a 240-pin DDR3L ECC registered DIMM, so the motherboard must provide a matching DDR3L RDIMM socket.

Can I mix this 1.35 V CL11 2Rx4 stick with existing 1.5 V DDR3 RDIMMs in the same channel?

Mixing voltages is not recommended; the system will typically default to the higher voltage and may disable ECC or registered operation.

How can I confirm the module is running at 1600 MHz with ECC active after installation?

Check the BIOS memory information or run a tool such as dmidecode to verify speed, voltage, rank and ECC status.

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