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Green circuit board with gold edge connector and black memory chips

OWC

OWC 4GB DDR3 1333 PC3-10600 CL9 204-pin 1.5V SODIMM laptop RAM

SKU CH-KZC9-TP66Z

4 GB DDR3 SODIMM runs at 1333 MHz with CL9 latency for laptop, all-in-one or NAS upgrades

  • Total capacity4 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latency9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 4GB DDR3 1333 MHz boosts multitasking capacity
  • JEDEC-standard 1.5V operation ensures broad laptop compatibility
  • CL9 latency and 204-pin SODIMM form factor enable straightforward DIY installation
  • ROHS-compliant, non-ECC unbuffered design meets OEM specifications
  • Replaces Crucial CT51264BC1339 and CTS324VM for direct upgrade path

DDR3 1333 SODIMM for Laptops

This 4GB DDR3 1333 PC3-10600 CL9 module fits 204-pin slots in laptops, all-in-one systems and compatible NAS units. It runs at 1.5V as an unbuffered, non-ECC stick with a 2Rx8 organisation. The part is a direct replacement for Crucial CT51264BC1339 and CTS324VM modules.

Sustained Load Behaviour

JEDEC-standard timings keep latency stable at CL9 during extended workloads. The 1333 MT/s data rate delivers consistent throughput for multi-tab browsing, office suites and light virtualization without throttling. Matched capacity and speed across slots maintain dual-channel efficiency when two identical modules are installed.

Thermals, Noise and Power

No heat spreader is fitted, so the DRAM relies on chassis airflow; typical SODIMM power draw at 1.5V stays low enough for passive cooling in thin laptops. Silent operation is guaranteed because the module has no moving parts. ROHS-compliant construction avoids hazardous substances while meeting OEM voltage and thermal envelopes.

How it compares

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

Price $17.99
Cheaper than about 90% 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).
CAS latency 9
Lower than about 99% of the 70 comparable items (median 40).
Price per GB $4.50 per GB
Cheaper than about 75% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1S3D32R804 GB
Total capacity4 GB
Product type204-Pin DDR3 Non-ECC SODIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latency9
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Questions about this item

Does this 1.5 V DDR3 module run cool and quiet during all-day use?

The SODIMM has no heat spreader and draws the standard 1.5 V, so it adds minimal heat and makes no noise inside a laptop or all-in-one chassis.

What must my system already provide for this 204-pin SODIMM to work?

Your laptop, all-in-one or NAS needs a free DDR3 SODIMM slot that accepts 204-pin unbuffered non-ECC modules at 1.5 V.

Will this CL9 PC3-10600 stick work with slower DDR3 memory already installed?

Yes — the module follows JEDEC DDR3 specs, so it will down-clock to match any slower DDR3 DIMMs present and run at the common speed.

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