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Four black DDR3 DIMMs without heat spreaders

OWC

OWC 16GB (4x4GB) DDR3 1600 CL11 ECC Unbuffered desktop RAM

SKU CH-A3KM-5Z9KS

Four 4 GB DDR3 1600 CL11 ECC unbuffered DIMMs totalling 16 GB for desktop, workstation or server upgrades

  • Total capacity16 GB (4 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 16GB (4 x 4GB)

  • ECC protection guards data integrity in workstations and servers
  • 16 GB total capacity (4 × 4 GB) expands multitasking headroom
  • DDR3 1600 CL11 at 1.5 V delivers JEDEC-standard speed
  • Unbuffered 240-pin UDIMM fits desktop, workstation and NAS boards
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

16GB DDR3 1600 ECC kit for workstations

This kit provides 16GB of DDR3 1600 memory in four 4GB modules. It is designed for desktop workstations, servers and NAS systems that require error-correcting code support. The unbuffered DIMMs operate at standard JEDEC timings and voltage.

240-pin unbuffered DIMMs at 1.5V

Each module uses a 240-pin UDIMM form factor without a heat spreader, keeping the profile low for dense server chassis. The 1.5V operating voltage matches standard DDR3 specifications for broad platform compatibility. Gold-edge contacts ensure reliable seating in every slot.

JEDEC and RoHS compliant upgrade

The memory meets JEDEC standards and RoHS requirements for a warranty-safe installation. OWC tests every module in-house to verify reliability before shipment. A limited lifetime warranty and free technical support are included with the kit.

How it compares

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

Price $62.99
Cheaper than about 59% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB (4 × 4 GB)
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $3.94 per GB
Cheaper than about 84% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1E6D32R8016S
Total capacity16 GB (4 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will this kit fit a motherboard that only accepts non-ECC memory?

No, these modules are ECC unbuffered and will not work in boards that require non-ECC DIMMs.

Can I install these four 4 GB sticks in a dual-channel board with only two slots?

No, the kit contains four 240-pin DIMMs and needs four slots to use the full 16 GB capacity.

Does the 1.5 V rating match standard DDR3 desktop sockets?

Yes, 1.5 V is the standard voltage for DDR3 desktop memory and fits regular 240-pin slots.

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