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Green circuit board with silver aluminium heat spreaders and black 240 pin DDR2 module

Crucial

Crucial Ballistix BL6464AA663 512MB DDR2 667 desktop RAM

SKU CH-N37M-8JA4J MPN BL6464AA663

512MB DDR2 desktop module running at 667MHz with CL3 latency and integrated heat spreader

  • Total capacity512 MB
  • Rated speedDDR2 667 (PC2 5300)
  • CAS latencyCL3
  • Memory timings3-3-3-12
  • Rated voltage2.2 V
  • Recommended forHigh Performance or Gaming Memory
  • DDR2 667 speed enables fast data transfer at 667 MHz
  • Low CL3 latency with 3-3-3-12 timings improves responsiveness
  • 20 V operation balances performance and stability
  • Integrated aluminum heat spreader keeps module cool
  • 512 MB capacity supports gaming and multitasking workloads

512MB DDR2 667 module

This Crucial Ballistix stick delivers 512MB of DDR2 667 memory rated at PC2 5300 with CL3 3-3-3-12 timings. It is built for enthusiasts and gamers running legacy desktop platforms that require DDR2 technology. The integrated aluminium heat spreader helps manage the 2.20V operating voltage during sustained loads.

240-pin desktop installation

The module uses the standard 240-pin DDR2 form factor and drops into any motherboard slot wired for DDR2 667 operation. No extra cables or brackets are needed, and the low-profile spreader leaves room for larger CPU coolers or tight case layouts. Pair multiple sticks to reach the capacity your board supports.

Thermals and power at 2.20V

At the rated 2.20V the spreader keeps chip temperatures in check without active airflow directly on the modules. Power draw stays modest for a single 512MB stick, so standard case ventilation is usually sufficient. The fixed CL3 timings mean no extra voltage is required for stability in everyday gaming or multitasking sessions.

How it compares

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

Price $54.99
Cheaper than about 63% of the 3,647 comparable items (median $90.99).
Total capacity 512 MB
Lower than about 99% of the 3,251 comparable items (median 16 GB).
Price per GB $107.40 per GB
Pricier than about 90% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCrucial
Product lineBallistix
Model nameBL6464AA663
Total capacity512 MB
Performance
Rated speedDDR2 667 (PC2 5300)
Memory
CAS latencyCL3
Memory timings3-3-3-12
Heat spreaderYes
Power
Rated voltage2.2 V
Size & build
Shipping weight0.09 kg
Package size163 × 69 × 13 mm
Compatibility
Recommended forHigh Performance or Gaming Memory

Questions about this item

At what voltage does the Ballistix module run once it is under continuous load?

The module operates at 2.20V as specified for the Ballistix series.

How much heat or noise should I expect from the aluminum heat spreader during all-day use?

The integrated aluminum heat spreader passively dissipates heat without adding any fan noise.

What motherboard slot must my system already have for this 240-pin DDR2 module to install?

A desktop motherboard with a 240-pin DDR2 DIMM slot is required for installation.

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