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Green 240-pin DDR3L ECC RDIMM module with black chips, 32GB 1.35V 1066MHz 4Rx4

A-Tech

A-Tech 32GB DDR3L 1066 PC3L-8500 ECC RDIMM 4Rx4 1.35V Micron MT72KSZS4G72PZ-1G1 server RAM

SKU CH-DH7F-63MV4

32 GB DDR3L 1066 MHz ECC registered server memory module with 4Rx4 organisation and 1.35 V low-voltage operation

  • Total capacity32 GB
  • Rated speedDDR3L 1066 (PC3L 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 32 GB capacity handles heavy server workloads
  • DDR3L 1066 MHz speed with CL7 latency
  • ECC registered design protects data integrity
  • 35 V low voltage reduces power draw
  • 240-pin DIMM fits compatible server slots

Server Memory Upgrade

This A-Tech module provides 32GB of DDR3L registered ECC memory for server and workstation platforms. It runs at 1066MHz with a PC3L-8500 rating and a low 1.35V operating voltage. The 4Rx4 organisation and CL7 latency suit high-density registered DIMM slots.

Compatibility Constraints

The part fits systems that accept 240-pin DDR3L RDIMMs with ECC and registered buffering. It will not work in boards limited to unbuffered UDIMMs, non-ECC modules, or higher-voltage DDR3. Buyers needing lower capacities, different rank configurations, or other form factors must choose an alternative module.

Deciding Specification

The 4Rx4 rank structure is the single detail that determines whether this DIMM matches your server's memory controller requirements. Verify that your platform supports quad-rank registered modules before ordering.

How it compares

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

Price $117.99
Cheaper than about 63% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $3.69 per GB
Cheaper than about 84% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity32 GB
Performance
Rated speedDDR3L 1066 (PC3L 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Power
Rated voltage1.35 V

Questions about this item

Does my server motherboard need a 240-pin DDR3 DIMM slot that supports 1.35 V registered ECC memory?

Yes — this module is a 240-pin DDR3L RDIMM that operates at 1.35 V and requires a slot and chipset designed for registered ECC DDR3L memory.

Can I install this 4Rx4 RDIMM alongside existing 2Rx4 or 1Rx4 DDR3L 1066 modules?

Mixing ranks is possible if the motherboard allows it, but the memory controller will run all modules at the lowest common speed and the total rank count per channel must stay within the platform limit.

How can I confirm the module is running at 1066 MHz with CL7 timings after installation?

Check the BIOS memory information screen or use a tool such as CPU-Z; it should report DDR3-1066 (PC3L-8500), CL7, 1.35 V, ECC registered, and 32 GB capacity.

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