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Two green DDR3 SO-DIMM sticks with black chips

OWC

OWC 8.0GB (2x 4GB) DDR3 1333 CL9 SO-DIMM Kit

SKU CH-BZ0A-REBBF

DDR3 1333 SO-DIMM kit adds 8 GB across two 4 GB modules for 2010-2011 iMac, Mac mini and MacBook Pro models

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Buffer typeUnbuffered

Capacity 8GB (2 x 4GB)

  • 8 GB kit expands memory for demanding tasks
  • 1333 MHz DDR3 matches 2010-2011 Mac specifications
  • CL9 latency keeps data flowing smoothly
  • 204-pin SO-DIMM fits MacBook Pro, iMac and Mac Mini slots
  • 5 V unbuffered design works in PC laptops and NAS devices

Kit Contents

This OWC kit provides 8.0GB of DDR3 memory as two 4GB SO-DIMM modules. It is built for owners of compatible 2010 and 2011 iMac, Mac mini, or MacBook Pro models who need a straightforward capacity increase. The 204-pin unbuffered design matches the factory slots in those machines.

Who It Suits

The kit suits users upgrading the listed Apple desktops and notebooks, plus PC laptops, mini desktops, NAS or POS units that accept DDR3 1333 SO-DIMMs. Buyers whose systems require ECC or registered memory cannot use this non-ECC unbuffered kit. Those needing more than 8GB total capacity must look elsewhere.

Deciding Specification

The modules run at DDR3 1333 (PC3-10600) with CL9 latency at 1.5V. This exact speed and timing combination determines whether the host platform will recognise and stabilise the upgrade. The kit is backward compatible with PC3-8500 1066MHz slots, but the primary specification remains 1333MHz CL9.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $3.87 per GB
Cheaper than about 85% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Total capacity8 GB (2 × 4 GB)
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered

Other versions of this model

2 more in the same range

Questions about this item

How much power does the 1.5 V DDR3 kit draw when the Mac runs all day?

The modules operate at the standard 1.5 V DDR3 voltage, so power draw matches any other PC3-10600 SO-DIMM and stays low enough for the iMac or MacBook Pro cooling system to handle without extra noise.

My 2011 Mac mini has empty slots — does this 204-pin kit plug straight in?

Yes, the 204-pin SO-DIMM form factor fits the 2011 Mac mini (5,1 / 5,2 / 5,3) slots directly; no adapter or extra hardware is required.

Will the CL9 1333 MHz sticks slow down to match the 1066 MHz memory already in my 2010 iMac?

The kit is backward compatible with PC3-8500 1066 MHz, so it will automatically run at the slower speed alongside the existing modules.

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