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Green 204-pin DDR3 SODIMM module with black chips

Elpida Memory, Inc

Elpida EBJ21UE8BAU0-AE-E 2GB DDR3-1066 CL7 204-pin SODIMM 1.5V

SKU CH-B5JN-6GCPF

2GB DDR3 laptop module running at 1066 MHz with CL7 latency and 1.5V operation

  • Total capacity2 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Product type204-Pin DDR3 SO-DIMM
  • 2GB capacity fits DDR3 laptop upgrade slots
  • DDR3-1066 speed rated PC3-8500 for compatible systems
  • CL7 latency supports responsive memory access
  • 5V operation matches standard DDR3 voltage
  • 204-pin SODIMM form factor installs in DDR3 laptop sockets

2 GB DDR3-1066 SO-DIMM for laptops

This 204-pin module delivers 2 GB of DDR3 memory rated at PC3-8500 with a CAS latency of CL7. It is built for notebooks and compact systems that accept unbuffered, non-ECC DDR3 SODIMMs at 1.5 V. The 2Rx8 organisation with 16 chips suits upgrades where a single low-density stick is required.

Thermals, noise and power draw

Operating at the standard 1.50 V, the module draws only the power defined by the DDR3-1066 specification. With no active cooling on the stick itself, it adds no audible noise and relies on the laptop's existing airflow. Typical idle and load power stays within the SO-DIMM form-factor envelope.

What the bundle changes

The module ships alone without additional brackets, software or installation tools. Its 16-chip, 128x8 layout means the density is fixed at 2 GB, so builders needing more capacity must add a second compatible slot. No firmware or driver updates are included or required.

How it compares

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

Price $4.99
Cheaper than about 99% of the 2,079 comparable items (median $70.99).
Total capacity 2 GB
Lower than about 95% of the 1,886 comparable items (median 16 GB).
Price per GB $2.50 per GB
Cheaper than about 93% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameElpida
Model nameEBJ21UE8BAU0-AE-E
Total capacity2 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.5 V

Questions about this item

How do I install this 204-pin DDR3 SODIMM in my laptop, and what step do people often miss?

Power off the laptop, remove the battery if possible, open the memory access panel, align the notch on the 204-pin module with the slot key, press firmly at both ends until the retention clips click, then reassemble. The step often missed is confirming both clips lock audibly.

What maintenance or replacement will this 2GB DDR3-1066 CL7 module need later?

No scheduled maintenance is required. If the system becomes unstable, test with a memory diagnostic; replace the module only if errors persist or capacity needs increase beyond 2GB.

What limit appears first when this 1.5V DDR3 SODIMM runs under sustained load?

The thermal limit of the 16-chip 2Rx8 layout typically appears first; prolonged heavy workloads can raise chip temperatures enough to trigger throttling or instability before bandwidth or latency limits are reached.

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