Matched pair either

HYNIX / SAMSUNG / Crucial ~ MT / Qimonda / Nanya

2x 1Gb Ram sticks

2GB kit

tested in Apple MacBook Pro

They are a MATCHED PAIR

for optimum performance

Equivalent to Crucial Part #: CT511220

DDR2 PC2-5300 • CL=5 • Unbuffered • NON-ECC • DDR2-667 • 1.8V • 128Meg x 64

Current price @ March '17 £ 31.19

NOT FOR UNIBODY MODELS

If you want 1GB, 3GB or 4GB click here >> MORE APPLE RAM!

1GB

DDR2 PC2-5300 667 MHz

200-PIN SODIMM MEMORY

Latency CL5

For Intel IMac, MACBOOK & MacBook PRO, Intel Mac Mini & Powerbook G4 (DDR2 Version) - see list below

if in doubt please email details of your Mac I'll look it up and advise options.

Open "System Profiler" (click Apple Menu >About This Mac > More Info)

look at "Hardware tab", Model Identifier... should report something like

(examples only yours may be different)

MacBook1,1

MacBookPro3,1

iMac4,1

COMPATIBLE APPLE LAPTOPS/NOTEBOOKS/DESKTOPS 

APPLE iMAC Intel Core Duo/2 Duo/Extreme 17 inch (1.83GHz, 2.0GHz) / 20 inch (2.0GHz, 2.16GHz, 2.4GHz, 2.66GHz) / 24 inch (2.16GHz, 2.4GHz, 2.8GHz, 3.06GHz) etc. 

APPLE MacBook & MacBook Pro
13 inch (1.83GHz, 2.0GHz, 2.13GHz, 2.16GHz, 2.2GHz, 2.4GHz)
15 inch (1.67GHz, 1.83GHz, 2.0GHz, 2.16GHz, 2.2GHz, 2.33GHz, 2.4GHz, 2.5GHz, 2.6GHz)
17 inch (2.16GHz, 2.33GHz, 2.4GHz, 2.4GHz, 2.5GHz, 2.6GHz)

APPLE Mac Mini  Core solo (1.5GHz) / Core Duo/2 Duo (1.66GHz, 1.83GHz, 2.0GHz) etc.

APPLE PowerBook G4 - DDR2 Version 15 inch (1.67GHz) / 17 inch (1.67GHz) etc.