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Green 240-pin DDR3 desktop memory module with black chips in retail packaging

Crucial

Crucial CT51264BA1339 4GB DDR3 1333 Desktop RAM

SKU CH-ZQBF-Z10Z9 MPN CT51264BA1339

A 4 GB DDR3 desktop module running at 1333 MHz with CL9 latency and 1.50 V operation

  • Total capacity4 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMicron Chipset
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • 4GB capacity enables smoother multitasking and faster program switching
  • DDR3 1333 speed provides up to 10.6GB/s bandwidth per channel
  • CL9 CAS latency delivers low latency for responsive daily computing
  • 50V operation ensures stable performance without extra power draw
  • Unbuffered 240-pin design fits standard desktop DDR3 slots for easy installation

4GB DDR3 1333 Module

This 4GB Crucial desktop memory module uses DDR3 technology at 1333MHz with CL9 latency. It is built for standard unbuffered DIMM slots and runs at 1.50V. The green PCB carries Micron components and fits 240-pin motherboards. It suits users upgrading older systems that require DDR3 memory.

Retail Packaging Benefit

The module ships in a retail package rather than bulk packaging. This provides physical protection during handling and includes the manufacturer documentation. No additional software, cables or accessories are bundled with this single memory stick. The packaging change does not alter the electrical specifications or performance of the memory itself.

4GB Capacity Headroom

A single 4GB stick adds modest capacity for everyday desktop tasks such as web browsing, office applications and media playback. It delivers up to 10.6GB/s bandwidth per channel at the rated 1333MHz speed. Systems needing more than 4GB total memory or higher speeds for intensive workloads will find this module insufficient on its own.

How it compares

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

Price $35.99
Cheaper than about 75% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $9.00 per GB
Pricier than about 63% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCrucial
Model nameCT51264BA1339
Total capacity4 GB
Product type240-Pin PC RAM
Product colorGreen
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Power
Rated voltage1.5 V
Size & build
Shipping weight0.05 kg
Package size178 × 129 × 16 mm

Questions about this item

Will the 240-pin DDR3 module need any future replacement or maintenance?

The module is a solid-state component with no moving parts and requires no scheduled maintenance or replacement under normal use.

What limit appears first when the memory runs at 1333 MHz continuously?

The CAS latency of CL9 at 1.50 V sets the timing boundary that governs sustained data throughput.

How much heat or noise does the 4 GB stick produce during all-day operation?

With no fan or active cooling, the unbuffered DDR3 module runs silently and generates only minimal heat at its rated 1.50 V.

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