我們接受加密貨幣付款 — 讓您持有的幣種也能買到真正的硬體設備。以加密貨幣付款，直接購入真正的硬體設備。 全球訂單滿 US$399，即享免費保險運送。簡約外箱，不印任何品牌標誌，從德國出貨。訂單滿 US$399，即享免費保險運送。 結帳一開始，您的匯率即鎖定 30 分鐘。匯率鎖定 30 分鐘。 每件商品皆原廠密封、序號經過核對，並享有 24 個月保固。原廠密封，保固 24 個月。

追蹤清單 登入
Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 4GB DDR3 1333MHz SO-DIMM for Apple iMac 21.5-inch 2.5GHz Core i5

SKU CH-A585-X8FXY

4GB DDR3 1333MHz SO-DIMM module for 21.5-inch iMac 2.5GHz Core i5 systems

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 4GB capacity adds responsive multitasking headroom for everyday workloads
  • 1333 MHz DDR3 speed matches the iMac 21.5-inch 2.5 GHz specification
  • CL7 low latency tightens data access for snappier application response
  • 204-pin SO-DIMM form factor fits the factory memory slots directly
  • Tested compatible with iMac models including MC309LL/A and MC812LL/A

System-Specific DDR3 SO-DIMM

This 4 GB DDR3 1333 MHz SO-DIMM is built for Apple iMac 21.5-inch models with a 2.5 GHz Core i5 processor. It uses a 204-pin unbuffered non-ECC layout and runs at 1.5 V with CL7 timing. The module is validated for the MC309LL/A system identifier.

Steady-State Memory Behaviour

Major-brand chips and a 2Rx8 organisation keep data rates stable during extended workloads such as video rendering or large dataset processing. The CL7 7-7-7 timing profile maintains low latency without relying on aggressive voltage scaling, so throughput stays consistent when the system is under continuous pressure.

Mechanical Fit and Daily Use

A bare green PCB without a heat spreader slides cleanly into the iMac’s SO-DIMM slots, avoiding clearance issues with the factory cooling shroud. The single-stick packaging lets owners populate one of four sockets now and add matching modules later up to the 32 GB physical limit noted for compatible 21.5-inch and 27-inch models.

商品特色

  • 4GB capacity adds responsive multitasking headroom for everyday workloads
  • 1333 MHz DDR3 speed matches the iMac 21.5-inch 2.5 GHz specification
  • CL7 low latency tightens data access for snappier application response
  • 204-pin SO-DIMM form factor fits the factory memory slots directly
  • Tested compatible with iMac models including MC309LL/A and MC812LL/A

商品規格

BrandComputer Memory Solutions
ModelCM5126410600SODRH
Capacity4GB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac 21.5-Inch 2.5Ghz Intel Core I5
Package Content1 Memory RAM Stick

商品問答

How much power does the 1.5 V DDR3 SO-DIMM draw when the iMac runs all day?

Standard DDR3 SO-DIMMs at 1.5 V typically consume a few watts under load; the module itself has no heat spreader and adds minimal heat to the iMac's internal airflow.

Does the 204-pin DDR3 1333 MHz module need any other parts to work in my iMac 21.5-inch 2.5 GHz Core i5?

No extra parts are required; the SO-DIMM installs directly into one of the four memory slots inside the iMac.

Can I keep the original Apple memory and add this 4 GB stick to reach 16 GB or the 32 GB maximum?

Yes, the iMac has four slots and supports up to 32 GB; you can mix this 4 GB module with existing sticks as long as the total does not exceed 32 GB.

同類商品

顧客也比較過

同一分類，同一套結帳流程 — 支援八種加密貨幣，匯率鎖定 30 分鐘。