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Green rectangular circuit board with gold edge connector and black memory chips

OWC

OWC 4GB DDR3 1600 PC3-12800 CL11 1Rx8 204-pin 1.5V Non-ECC SODIMM laptop RAM

SKU CH-K1Y5-AE3D9

A 4 GB DDR3 1600 SODIMM module for upgrading laptop, mini PC or NAS system memory

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems

Capacity 4GB

  • Boost responsiveness with 1600 MHz DDR3 speed
  • Expand multitasking headroom using 4 GB capacity
  • Drop-in fit for laptops via 204-pin SO-DIMM
  • JEDEC-compliant 1.5 V operation ensures broad compatibility
  • Simple DIY upgrade with unbuffered non-ECC design

Compatible upgrade for laptops and NAS

This module is a 4 GB DDR3 1600 SO-DIMM built to JEDEC standard timings of CL11 at 1.5 V. It targets owners of laptops, all-in-one PCs or NAS units that accept 204-pin unbuffered non-ECC memory and need a straightforward capacity increase.

Suits single-slot upgrades or matching pairs

The stick works for users adding one module to a free slot or installing a matched pair in a two-slot system. Builders whose platforms require registered or ECC memory, or those needing more than 4 GB per slot, should look at other configurations.

Runs at DDR3 1600 PC3-12800 CL11

The decisive specification is the 1600 MT/s data rate with CL11 latency at the standard 1.5 V operating voltage. If the host system specifies this exact speed and timing the module will operate at its rated settings.

How it compares

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

Price $18.99
Cheaper than about 89% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.75 per GB
Cheaper than about 70% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameOWC
Part number1S6D31R804 GB
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Questions about this item

Is the 4 GB DDR3 1600 CL11 module the right capacity for a single-slot upgrade?

Yes, the single 4 GB stick matches the 204-pin SO-DIMM form factor and 1.5 V JEDEC standard used in many laptops, mini PCs and NAS systems.

What real-world speed will I see from the PC3-12800 rating once installed?

The module runs at 1600 MHz with CL11 latency, delivering the standard DDR3-1600 bandwidth your platform negotiates at boot.

Does the 204-pin DDR3 SO-DIMM interface limit the maximum transfer rate?

The 204-pin DDR3 SO-DIMM connector is defined for DDR3-1600 (PC3-12800), so the module operates at its rated 1600 MHz without interface bottleneck.

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