4GB OWC DDR3 SO-DIMM PC3-10600 1333MHz Single Module CL9 by OWC

Upgrade the memory on your notebook with the 4GB DDR3 1333 MHz SODIMM Memory Kit from OWC / Other World Computing. This kit comes with one 4GB memory module that provides a nice upgrade to your system. The chips are designed for systems that support DDR3 1333 MHz memory and have a 204-pin slots. Moreover, it features a CAS latency of 9-9-9-24 and a voltage of 1.5V.

Compatible with Mid 2010- 2011 iMac Models:

• iMac (27-inch Mid 2011)(May, 2011) Model ID: iMac12,2 (2.7GHz i5, 3.1GHz i5, 3.4GHz i7)
• iMac (27-inch Mid 2010)(July, 2010) Model ID: iMac11,3 (2.8GHz, 2.93GHz, 3.2GHz, 3.6GHz)
• iMac (21.5-inch Late 2011)August, 2011) Model ID: iMac12,1 (3.1GHz i3)
• iMac (21.5-inch Mid 2011)(May, 2011) Model ID: iMac12,1 (2.5GHz i5, 2.7GHz i5, 2.8GHz i7)
• NOT COMPATIBLE iMac (21.5-inch Mid 2010) (July, 2010) Model ID: iMac11,2 (3.06GHz, 3.2GHz, 3.6GHz)
• NOT COMPATIBLE iMac (27-inch Mid 2010) (July, 2010) Model ID: iMac11,3 (3.2GHz i3)​

Compatible with 2011Mac mini models:

• Mac mini (Mid 2011)(July 2011) Model ID: Macmini5,1 & Macmini5,2 (2.3GHz, 2.5GHz, 2.7GHz) 
• Mac mini (Mid 2011 Server)(July, 2011) Model ID: Macmini5,3 (2.0GHz )

Compatible with 2011 MacBook Pro models: 

• MacBook Pro (17-inch 2011)(October, 2011)Model ID: MacBookPro8,3(2.4GHz, 2.5GHz)
• MacBook Pro (17-inch Early 2011)(February, 2011)Model ID: MacBookPro8,3(2.2GHz, 2.3GHz)
• MacBook Pro (15-inch 2011)(October, 2011)Model ID: MacBookPro8,2(2.2GHz, 2.4GHz, 2.5GHz)
• MacBook Pro (15-inch Early 2011)(February, 2011)Model ID: MacBookPro8,2(2.0GHz, 2.2GHz, 2.3GHz)
• MacBook Pro (13-inch 2011)(October, 2011)Model ID: MacBookPro8,1(2.4GHz, 2.8GHz)
• MacBook Pro (13-inch Early 2011)(February, 2011)Model ID: MacBookPro8,1(2.3GHz, 2.7GHz)

Comptible with PC Laptops:

• with Intel / AMD Process based PCs