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Green 240-pin DDR3L UDIMM module with black memory chips

A-Tech

A-Tech 4GB DDR3L 1600 ECC UDIMM 1Rx8 1.35V 240-Pin Server RAM

SKU CH-45JA-4K0HB

4GB DDR3L 1600 ECC UDIMM with CL11 latency and 1.35V low-voltage operation for server upgrades

  • Capacity4GB
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ECC protection guards data integrity in server workloads
  • DDR3L 1600 speed delivers 12800 MT/s bandwidth for responsive performance
  • Low 1.35V operation reduces power draw and heat in dense configurations
  • 240-pin UDIMM form factor fits standard server memory slots directly
  • Single-rank 1Rx8 layout supports flexible population across multiple channels

A-Tech 4GB DDR3L 1600 ECC UDIMM

This A-Tech module is a 4GB DDR3L 1600 ECC unbuffered DIMM built for server and workstation systems. It runs at 1.35V with CL11 latency and uses a 1Rx8 configuration on a 240-pin PCB. The stick is a direct replacement for several Hynix part numbers including HMT451E7AFR8A-PB and HMT451U7BFR8A-PB.

Suited for DDR3L ECC UDIMM slots only

It fits boards that accept DDR3L 1600 ECC unbuffered memory at 1.35V and will not work in slots that require registered RDIMMs or a different voltage. Systems needing higher capacity per module or a different pin count should look elsewhere.

1.35V DDR3L voltage decides compatibility

The single specification that determines whether this is the right part is the 1.35V DDR3L operating voltage. If your platform specifies 1.5V DDR3 or requires registered memory this module will not function.

Points forts

  • ECC protection guards data integrity in server workloads
  • DDR3L 1600 speed delivers 12800 MT/s bandwidth for responsive performance
  • Low 1.35V operation reduces power draw and heat in dense configurations
  • 240-pin UDIMM form factor fits standard server memory slots directly
  • Single-rank 1Rx8 layout supports flexible population across multiple channels

Caractéristiques

BrandA-Tech
Capacity4GB
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Does the 1.35 V DDR3L module run cooler than standard 1.5 V DDR3 when the server is under constant load?

The stick operates at 1.35 V, which is the DDR3L low-voltage spec; lower voltage typically means less heat than 1.5 V DDR3 under the same sustained workload.

My motherboard has 240-pin DDR3 slots — is that the only requirement for this ECC UDIMM to work?

You need a 240-pin DDR3 slot that supports ECC unbuffered memory and can run at 1.35 V; the board must also accept 1Rx8 modules at 1600 MHz.

Can I mix this 1600 MHz CL11 kit with slower DDR3 modules already installed?

The module runs at 1600 MHz CL11; if slower DDR3 is present the system will downclock all sticks to the lowest common speed and latency.

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