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Two green DDR3 SODIMM memory sticks side by side

Computer Memory Solutions

Computer Memory Solutions CM256648500SODRH 4GB (2x2GB) DDR3 1066MHz CL7 SODIMM memory upgrade

SKU CH-43GM-C2Y96

A 4 GB DDR3 SODIMM kit (2 × 2 GB) running at 1066 MHz CL7 for the Apple MacBook Pro 15.4-inch Core 2 Duo 2.4 GHz (Late 2008)

  • Capacity4GB (2 x 2GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 4GB kit upgrades MacBook Pro 15.4" Late 2008 to 8GB max
  • DDR3 1066MHz CL7 timing matches Apple factory specification
  • 204-pin SODIMM form factor fits both memory slots directly
  • 5V unbuffered non-ECC modules install without configuration
  • Two 2GB sticks enable dual-channel bandwidth on compatible systems

Compatible MacBook Pro Memory Upgrade

This 4 GB kit contains two 2 GB DDR3 SO-DIMM modules rated at 1066 MHz with CL7 timing. It is built for the Apple MacBook Pro 15.4‑inch Core 2 Duo 2.4 GHz (Late 2008, model MB470LL/A) and uses the 204‑pin form factor required by that system.

Low‑Voltage Unbuffered Operation

Each stick runs at 1.5 V without ECC or registered buffers, keeping power draw modest in the supported notebook. The unbuffered 2Rx8 design produces minimal heat, so no spreader is needed and acoustic impact stays negligible during typical workloads.

Direct Slot Installation

The pair fills both SO-DIMM slots, taking the machine to its 8 GB ceiling when the Boot ROM is updated to version 51.007E.B05 and macOS 10.6 is installed. Buyers needing more than 8 GB or a different DDR generation cannot use this kit.

Highlights

  • 4GB kit upgrades MacBook Pro 15.4" Late 2008 to 8GB max
  • DDR3 1066MHz CL7 timing matches Apple factory specification
  • 204-pin SODIMM form factor fits both memory slots directly
  • 5V unbuffered non-ECC modules install without configuration
  • Two 2GB sticks enable dual-channel bandwidth on compatible systems

Specifications

BrandComputer Memory Solutions
ModelCM256648500SODRH
Capacity4GB (2 x 2GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Macbook Pro "Core 2 Duo" 2.4 15" (Unibody)
Package Content2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin SODIMM modules in the MacBook Pro 15.4-inch Late 2008 and what step is often missed?

Remove the bottom case, release the retention clips on both slots, insert each module at an angle until the gold contacts are hidden, then press down firmly until the clips click; the step often missed is updating to Boot ROM version MBP 51.007E. B05 and Mac OS X 10.6 Snow Leopard so the system recognises the full 4 GB.

What maintenance or replacement will this memory need over time?

No routine maintenance is required; the unbuffered DDR3 modules have no heat spreader and no moving parts. If a stick fails, replace the individual 2 GB module — the kit carries a limited lifetime warranty from Computer Memory Solutions when purchased directly from them.

What limit appears first under sustained heavy workloads?

The system maximum of 8 GB across the two slots is the first ceiling; with this 4 GB kit installed you still have two free slots, but the DDR3 1066 MHz CL7 specification and the MacBook Pro 5,1 platform cap further expansion at 8 GB total.

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