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The Best imac 27 inch late 2009 memory upgrade of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best imac 27 inch late 2009 memory upgrade of 2022. Check our ranking below.

2,678 Reviews Scanned

Rank No. #1
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1
  • DDR3 1066MHz PC3-8500 204-Pin Unbuffered Non ECC 1.5V CL7 Dual Rank 2Rx8 based 256x8 Module Size: 16GB KIT(4x4GB Modules)
  • Compatible for Apple iMac - 21.5 inch / 27 inch Late 2009 - iMac10,1 iMac11,1
  • Model Number: A1311 A1312 - Part Number(s): MB953LL/A, MC507LL/A, MB950LL/A, MB952LL/A, BTO/CTO
  • Supports CPU Processors: 2.66 GHz Core i5, 2.8 GHz Core i7, 3.06 GHz Core 2 Duo, 3.33 GHz Core 2 Duo
  • Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States
Rank No. #2
Adamanta 32GB (4x8GB) Apple Memory Upgrade for Late 2009 iMac 27" Model 11,1 only with i5 or i7 Processor DDR3 1066Mhz PC3-8500 SODIMM 2Rx8 CL7 1.5v RAM
  • 32GB ( 4x8GB ) DDR3/DDR3L 1066Mhz for iMac Unbuffered Non-Parity SDRAM 204pin Low Voltage Dual Rank Module.
  • Compatible with 27"Late 2009 iMac w/ 2K display Model 11,1 only with i5 or i7 Processor.
  • Compatible with iMac models: MB953LL/A, MC507LL/A
  • Free technical support from our Apple Expert technicians.
  • Every single module is fully tested by the manufacturer. Our experienced technicians can verify if these parts will work for you. Limited lifetime warranty by Adamanta. We will replace defective memory with the same or similar memory specifications. Physical or cosmetic damages are not covered by the limited lifetime warranty by Adamanta. Only limited to Adamanta branded Memory Excludes major OEMS such as Samsung, Hynix, Micron, etc.
Rank No. #3
A-Tech 16GB (4 x 4GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 21.5-inch / 27-inch | 204-Pin SODIMM Memory Upgrade Kit
  • 16GB Kit ( 4x 4GB Modules ) | DDR3 1066MHz / 1067MHz ( PC3-8500 / PC3-8500S ) | DDR3 SO-DIMM ( 204-Pin ) | Non-ECC Unbuffered | 2Rx8 - ( Dual Rank x8 )
  • Compatible with iMac (Late 2009 21.5-inch / 27-inch) - Model IDs: iMac10,1 iMac11,1 | Model #: A1311, A1312 | Part #s: MB950LL/A, MB952LL/A, MB953LL/A, MC507LL/A
  • Boosts the performance of your system by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle greater workloads
  • All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
  • A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
Rank No. #4
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory RAM Upgrade Compatible with iMac 21.5" and 27" October/2009 (OWC8566DDR3S16S)
  • OWC 16.0GB UPGRADE: Consists of FOUR 4GB DDR3 1066MHz PC3-8500 CL7 SO-DIMMs 1.5V 204-pin Memory Module Compatible with Mac and PC
  • 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed All MAC Specifications for iMac and PC Laptops
  • COMPATIBLE WITH: Mac systems: iMac 27-inch (Late 2009 Model ID: iMac10,1 and iMac11,1) iMac 21.5-inch (Late 2009 Model ID: iMac10,1)
  • COMPATIBLE PART NUMBERS: 661-5309, 661-5595, 661-5227, 661-5210, 661-5489, 661-5309, 661-5646, 661-6348, 661-6175, 661-6174, 661-5482, 661-5035, 661-4988, 661-5454, KTA-MB1066/4G, CT4G3S1067M, CT2C4G3S1067M, CT51264BC1067
  • INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance in Your Mac or PC
Rank No. #5
NEMIX RAM 16GB Kit (2X8GB) DDR3 1067MHz/1066MHz PC3-8500 CL7 SODIMM Memory Upgrade Compatible for Apple Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch)
  • 16GB, 2x8GB Apple Compatible 204-pin SODIMM Memory Upgrade Kit, DDR3 1066MHz PC3-8500 204-Pin Unbuffered Non ECC 1.5V CL7 Dual Rank 2Rx8
  • 16GB, 2x8GB Apple Compatible 204-pin SODIMM Memory Upgrade Kit, DDR3 1066MHz PC3-8500 204-Pin Unbuffered Non ECC 1.5V CL7 Dual Rank 2Rx8
  • Compatible with Apple Mac Mini - Mid 2010 – MacMini4,1(2.4GHz, 2.66GHz, Server)
  • Compatible with Apple Mac Book - 13 inch Mid 2010 - Mac Book7,1 (2.4 GHz), Compatible with Apple Mac Book Pro -13 inch Mid 2010 - Mac Book Pro7,1 (2.4 GHz, 2.66GHz)
  • Compatible with Apple iMac - 27 inch Late 2009 - iMac11,1 (2.66 GHz, 2.8GHz)
SaleRank No. #6
OWC 32GB (4 x 8GB) PC14900 DDR3 1866MHz SO-DIMMs Memory RAM Upgrade Compatible with 2015 (Late) iMac 27" w/Retina 5K Models and Compatible PCs (OWC1867DDR3S32S)
  • OWC 8.0GB UPGRADE: Consists of Four 8GB DDR3 1866MHz PC3-14900 CL13 SO-DIMMs 1.35V 204-pin Memory Module For iMac and compatible PCs
  • COMPATIBLE WITH: 2015 (Late) iMac 27" w/ Retina 5K models (October 2015) Model ID:iMac17,1: 3.2GHz i5, 3.3GHz i5, 4.0GHz i7 and compatible PCs
  • 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed All MAC Specifications for iMac and PC Laptops
  • COMPATIBLE PART NUMBERS: CT102464BF186D.16FP, CT2K8G3S186DM, KF318LS11IBK2/16, KF318LS11IB/8, MT16KTF1G64HZ-1G9P1, M471B1G73EB0‐YMA, INT1866SZ8L, HMT41GS6BFR8A-RD, KVR1866LS11/8
  • INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance in Your Mac Pro
Rank No. #7
Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade
  • DDR3L 1600MHz PC3L-12800 204-Pin Unbuffered Non ECC 1.35V CL11 Dual Rank 2Rx8 based 512x8 Module Size: 32GB KIT(4x8GB Modules) Package: 4x8GB
  • Compatible for Apple iMac – 21.5 inch / 27 inch Mid 2011, 27 inch Late 2012, 27 inch Late 2013, 27 inch Late 2014, 27 inch Mid 2015- iMac12,1 iMac12,2 iMac13,2 iMac14,2 iMac15,1
  • Model Number: A1311 A1312 A1419 - Part Number(s): MC309LL/A, MC812LL/A, MC813LL/A, MC814LL/A, MD063LL/A, MD095LL/A, MD096LL/A, ME088LL/A, ME089LL/A, MF125LL/A, MF886LL/A, MF885LL/A, BTO/CTO
  • Supports CPU Processors: 2.5 GHz Core i5, 2.7 GHz Core i5, 2.9 GHz Core i5, 3.1 GHz Core i5, 3.2 GHz Core i5, 3.3 GHz Core i5, 3.4 GHz Core i5, 3.5 GHz Core i5, 2.8 GHz Core i7, 3.4 GHz Core i7, 3.5 GHz Core i7, 4.0 GHz Core i7
  • Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States
Rank No. #8
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade
  • 32 GB RAM Kit (4 x 8GB Modules); DDR3 SO-DIMM 204-Pin; Speeds up to 1600 MHz, PC3-12800/PC3-12800S
  • NON-ECC Unbuffered; 2Rx8 (Dual Rank x8); JEDEC standard DDR3 1.5V or DDR3L 1.35V
  • Compatible for iMac - Late 2012 (27-inch), Late 2013 (21.5-inch/27-inch), Late 2014 (27-inch Retina 5K), Mid 2015 (27-inch Retina 5K); A1419; iMac13,2, iMac14,2, iMac15,1; MD095LL/A, MD096LL/A, ME088LL/A, ME089LL/A, MF125LL/A, MF885LL/A, MF886LL/A
  • Improves performance by expanding your system's memory (RAM) capacity, allowing you to take on more while maintaining a fast and smooth experience
  • Quick and easy to install at home, no expertise required (Please refer to your system's manual for proper installation guidelines)
SaleRank No. #9
Timetec 8GB Compatible for Apple Late 2015 iMac (27-inch w/Retina 5K Display) DDR3L 1867MHz / 1866MHz PC3L-14900 2Rx8 CL13 1.35V 204 Pin SODIMM Memory Module MAC RAM Upgrade for iMac 17,1
  • Compatible For Apple Late 2015 iMac 27-inch w/Retina 5K model ID: iMac 17,1 (i5 3.2GHz, i5 3.3GHz, i7 4.0GHz)
  • DDR3L 1866MHz PC3L-14900 204-Pin Unbuffered Non ECC 1.35V CL13 Dual Rank 2Rx8 based 512x8
  • Module Size: 8GB Package: 1x8GB For Apple iMac Late 2015
  • JEDEC standard 1.35V (1.28V ~ 1.45V) and 1.5V (1.425V ~ 1.575V)
  • Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States
Rank No. #10
Adamanta 16GB (2x8GB) Apple Memory Upgrade Compatible with Late 2015 iMac 27" Retina 5K Display DDR3/DDR3L 1867Mhz PC3L-14900 SODIMM 2Rx8 CL13 1.35v RAM DRAM
  • Compatible with: MK462LL/A, MK482LL/A, MK472LL/A, refurbished, and all built to order late 2015 iMacs 27 inch with 5K Retina Display.
  • 16GB ( 2x8GB ) DDR3L 1867 Mhz Late 2015 iMac Unbuffered Non-Parity SDRAM 204pin Low Voltage Dual Rank Module. Works with all iMacs with Skylake Processors. This module works for 27" late 2015 iMac's of every spec.
  • Limited lifetime warranty by Adamanta. We will replace defective memory with the same or similar memory specifications. Physical or cosmetic damages are not covered by the limited lifetime warranty by Adamanta. Only limited to Adamanta branded Memory Excludes major OEMS such as Samsung, Hynix, Micron, etc. We always have hundreds in stock! Free technical support from our Apple Expert technicians.
  • Every single module is fully tested by the manufacturer.
  • Our experienced technicians can verify if these parts will work for you.

Last update on 2024-07-12 / Affiliate links / Images from Amazon Product Advertising API

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