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Green rectangular DDR3L RDIMM module with gold 240-pin edge connector and black memory chips on both sides

A-Tech

A-Tech 8GB DDR3L 1333MHz ECC RDIMM 2Rx8 1.35V Server Memory

SKU CH-3RQK-77BBX

8GB DDR3L 1333MHz ECC registered server DIMM, 2Rx8 at 1.35V for compatible systems

  • Total capacity8 GB
  • Rated speedDDR3L 1333 (PC3L 10600)
  • ChipsetMicron Chipset
  • CAS latencyCL9
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 8GB DDR3L capacity handles larger server workloads
  • ECC registered design detects and corrects memory errors
  • 1333 MHz speed with CL9 latency delivers responsive data access
  • 35 V low-voltage operation reduces power draw
  • 240-pin RDIMM form factor fits compatible DDR3L server slots

Server memory for Micron replacement

This 8GB DDR3L module replaces the Micron MT18KSF1G72PDZ-1G4P1 in compatible servers and workstations. It delivers 1333MHz speed with ECC and registered buffering for data integrity under heavy workloads. The 1.35V low-voltage design reduces power draw compared to standard DDR3. Builders needing a direct drop-in part for that Micron reference will find the matching specifications here.

Registered ECC with 2Rx8 organisation

The single deciding specification is the registered ECC RDIMM layout with 2Rx8 rank structure. Only systems that accept registered DDR3L DIMMs at CL9 latency and 1.35V can use this module. Desktop boards, consumer laptops or any platform requiring unbuffered non-ECC memory will not post with it installed. Verify your motherboard manual lists RDIMM support before ordering.

Tested module with lifetime warranty

Each stick undergoes A-Tech quality assurance testing before shipment to confirm reliable operation at the rated 1333MHz PC3-10600 speed. The package contains only the memory module itself; no cables, brackets or software are included. A lifetime warranty and US-based technical support cover the part for as long as you own it. Buyers who need heat spreaders, RGB lighting or bundled diagnostics should look elsewhere.

How it compares

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

Price $20.99
Cheaper than about 94% 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 $2.62 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Micron
Model nameMT18KSF1G72PDZ-1G4P1
Total capacity8 GB
Performance
Rated speedDDR3L 1333 (PC3L 10600)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.35 V

Questions about this item

Will the 1333 MHz rating actually run at that speed in my server?

The module is rated for DDR3L 1333 (PC3L 10600). It will operate at 1333 MHz if the platform supports that data rate; otherwise the system clock will step it down to the highest supported speed.

Does the DDR3L 1.35 V specification limit which motherboards can use it?

The stick requires a DDR3L-capable slot that supplies 1.35 V. A standard DDR3-only board running at 1.5 V will not power it correctly, so the platform must explicitly support low-voltage DDR3L.

What physical slot and keying does this 240-pin RDIMM need?

It fits a 240-pin DDR3 DIMM socket with registered (RDIMM) keying. The module is 2Rx8 organised and uses the standard DDR3L notch position, so it will only seat in a compatible server or workstation slot.

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