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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

  • Capacity16GB (4 x 4GB)
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCYes
  • Buffered/RegisteredUnbuffered

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.

Highlights

  • 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

Specifications

BrandOWC
Part Number1E6D32R8016S
Capacity16GB (4 x 4GB)
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

Other versions of this model

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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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