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Two green SO-DIMM modules with black chips and gold contacts

Elpida Memory, Inc

Elpida EBJ21UE8BDS0-DJ-F 2GB (2x1GB) DDR3 1333 laptop RAM

SKU CH-JQF6-0ZCCB

Two 1 GB DDR3 SO-DIMM modules running at 1333 MHz CL9 1.50 V for 2 GB total laptop memory

  • Total capacity2 GB (2 × 1 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Product type204-Pin DDR3 SO-DIMM
  • Dual-channel kit doubles bandwidth with matched 2×1 GB modules
  • 1333 MHz DDR3 speed delivers PC3-10600 data rates for responsive multitasking
  • CL9 latency reduces command delay for snappier application loading
  • 50 V standard voltage ensures broad laptop compatibility without BIOS tweaks
  • 204-pin SO-DIMM form factor fits DDR3 notebook slots directly

Elpida 2 GB DDR3 laptop kit

This kit supplies two 1 GB unbuffered DDR3 SO-DIMM modules for notebooks that accept 204-pin memory. It is aimed at users upgrading older laptops or replacing failed sticks in systems specified for PC3-10600 speed. Buyers who need a single 2 GB module or a higher-density kit should look elsewhere.

Build quality and daily fit

Each module follows the standard 204-pin SO-DIMM form factor and operates at the JEDEC 1.50 V level for broad compatibility. The CL9 latency rating matches the timing tables used by most mainstream chipsets of the DDR3 era. No heat-spreader or tall components are mentioned, so clearance inside tight chassis should not be an issue.

Deciding specification

The kit runs at DDR3 1333 (PC3-10600) with a CAS latency of 9, which is the single figure that determines whether the memory matches the laptop’s qualified-vendor list. If the service manual calls for a different speed grade or lower latency, this kit will not be the correct part.

How it compares

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

Price $5.99
Cheaper than about 99% of the 2,079 comparable items (median $70.99).
Total capacity 2 GB (2 × 1 GB)
Lower than about 95% of the 1,886 comparable items (median 16 GB).
Price per GB $3.00 per GB
Cheaper than about 91% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameElpida
Model nameEBJ21UE8BDS0-DJ-F
Total capacity2 GB (2 × 1 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.5 V

Questions about this item

What data rate does the DDR3 1333 (PC3 10600) interface provide for these modules?

The DDR3 1333 (PC3 10600) interface runs at 1333 MHz with a PC3 10600 data rate on each 1 GB module.

What physical slot and notch position do the 204-pin SO-DIMMs require?

Each module uses a 204-pin DDR3 SO-DIMM form factor with the standard DDR3 notch key for laptop memory slots.

How are the two 1 GB sticks installed, and what alignment step is often missed?

Insert each stick at an angle into a 204-pin SO-DIMM slot until the notch aligns, then press down until the side clips click.

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