As an Amazon Associate I earn from qualifying purchases.1. Crucial
260-Pin Memory, PC4-21300, SODIMM, Dual Rank x 8, 2666 MT/s, Crucial CT2K16G4SFD8266 32 GB Kit 16 GB x 2 DDR4
Crucial - Increase bandwidth by up to 32 Percent. Reduce power consumption by up to 40 Percent. Faster bursts access speeds for improved sequential data throughout.
Optimised for next generation processors and platforms. Speeds up to 3200 mt/s and faster data rates are expected to be available as DDR4 technology matures.
| Brand | Crucial |
| Manufacturer | Crucial |
| Height | 2.79 cm (1.1 Inches) |
| Length | 6.86 cm (2.7 Inches) |
| Width | 1.09 cm (0.43 Inches) |
| Part Number | CT2K16G4SFD8266 |
| Model | CT2K16G4SFD8266 |
| Warranty | 12 months |
2. OWC
OWC2666DDR4S08G, For 2019-2020 27 inch iMac iMac19,1 iMac20,1 iMac20,2, OWC 8.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade
OWC - 8 gb pc4-21300 ddr4, so-dimm, 260-pin, rohs certified, 1.2v, warranty safe memory upgrade. Free technical support from our expert technicians, online installation videos available, Every module is backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program.
Memory upgrade compatible with 2019 imac: imac w/retina 5k display 27-inch early 2019 Model ID: iMac19, 1 3.
0ghz i5, 3. 1ghz i5, 3. 7ghz i5, 3. 6ghz i9. Memory upgrade compatible with 2018 mac mini: mac mini late 2018 november, 3. 0ghz i5, 1 3. 6ghz i3, 2018 model id: Macmini8, 3. 2ghz i7. Memory upgrade compatible with 2020 imac: imac w/retina 5k display 27 inch mid 2020 model ID: iMac20, 1 and iMac20, 3. 3ghz i5, 3. 8ghz i7, 2 3. 1ghz i5, 3. 6ghz i9.
| Brand | OWC |
| Manufacturer | Other World Computing |
| Height | 0.8 cm (0.31 Inches) |
| Length | 15.5 cm (6.1 Inches) |
| Width | 11.9 cm (4.69 Inches) |
| Part Number | OWC2666DDR4S08G |
| Model | 2666DDR4S08G |
3. OWC
OWC2666DDR4S32P, OWC 32.0GB 2 x 16GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, For 2019-2020 27 inch iMac iMac19,1 iMac20,1 iMac20,2
OWC - Memory upgrade compatible with 2019 imac: imac w/retina 5k display 27-inch early 2019 Model ID: iMac19, 1 3. 0ghz i5, 3. 1ghz i5, 3. 7ghz i5, 3. 6ghz i9. Memory upgrade compatible with 2018 mac mini: mac mini late 2018 november, 2018 Model ID: Macmini8, 1 3.
6ghz i3, 3. 0ghz i5, 3. 2ghz i7. 32 gb 2 x 16 gb pc4-21300 ddr4, 1. 2v, so-dimm, rohs certified, 260-pin, warranty safe memory upgrade.
Free technical support from our expert technicians, online installation videos available, Every module is backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program. Memory upgrade compatible with 2020 imac: imac w/retina 5k display 27 inch mid 2020 model ID: iMac20, 2 3. 1ghz i5, 3. 3ghz i5, 1 and iMac20, 3. 8ghz i7, 3. 6ghz i9.
4. Dataram
DATARAM 32GB Memory RAM Upgrade 2 x 16GB DDR4 2400Mhz PC4-19200 CL17 SO DIMM Compatible with The Apple 2017 iMac 27" Retina 5K Display
Dataram - 32gb 2x16gb ddr4 2400 mhz cl17 260pin so dimM Memory Module. Dataram, a trusted name in Computer memory since 1967. Guaranteed compatible with all 2017 27 inch w/ Retina 5K Display iMacs 18, 3 A1419.
Dataram memory is always built with name brand chips like Micron, Samsung or Hynix. Like all dataram memory, these modules have a Lifetime Replacement Warranty and free Tech Support.
5. Timetec
Late 2018 Mac Mini DDR4 2666MHz PC4-21300 2Rx8 CL19 1.2V SODIMM Memory RAM 16GB, Timetec Hynix IC Compatible with Apple 2019 iMac 27-inch w/Retina 5K Display
Timetec - Design for late 2018 mac mini model id: mac mini 8, i5 3. 0ghz, 1 i3 3. 6ghz, i7 3. 2ghz. Module size: 16gb package: 1x16gb power supply: vdd=1. 2v 1. 14v to 1. 26v vddq = 1. 2v 1. 14v to 1. 26v. Guaranteed – lifetime warranty from purchase Date Free technical support MON - FRI 9AM-6PM PST.
Design for early 2019 imac w/ retina 5k display model id: imac 19, i5 3. 7ghz, i5 3. 1ghz, 1 i5 3. 0ghz, i9 3. 6ghz. Ddr4 2666mhz pc4-21300 260 pin unbuffered non-ecc 1. 2v cl19 dual rank 2Rx8 based 1024x8.
6. OWC
OWC 16GB 2 x 8GB 2400MHZ DDR4 SO-DIMM PC4-19200 Memory Upgrade for 2017 iMac 27 inch with Retina 5K Display
OWC - Owc memory lifetime limited Warranty including the OWC Lifetime Advanced Replacement Program". Warranty Safe Upgrade. Install in pairs 2 modules at a time for the best performance, iMac 5K comes with 4 memory slots supporting up to 16GB per slot iMac 5K supports 64GB total memory.
16. 0gb 2 x 8. 0gb 2400mhz ddr4 so-dimm pc4-19200 260 pin cl17 memory upgrade for mid 2017 imac 27\" w/ retina 5K models and PCs which utilize PC4-19200 SO-DIMM. Memory upgrade kit for imac 27\" 2017 with retina 5k display with processors: 27\" i5 3. 4ghz, 27\" i5 3. 5ghz, 27\" i5 3. 8ghz, 27\" i7 4. 2ghz.
| Brand | OWC |
| Manufacturer | OWC |
| Height | 0.8 cm (0.31 Inches) |
| Length | 15.5 cm (6.1 Inches) |
| Weight | 0.1 |
| Width | 11.9 cm (4.69 Inches) |
| Part Number | OWC2400DDR4S16P |
| Model | 2400DDR4S16P |
7. Mr Memory
Mid 2020-3.8GHz Core i7 DDR4 SODIMM PC4-21300 2666MHz, from Mr Memory, 27-inch, 16GB Memory RAM Upgrade for Apple iMac Retina 5K
Mr Memory - Improve the start-up time of your computer and speed up your games and apps. 100% compatible - guaranteed compatible new stock from the best brands in the world, Crucial, Samsung, including Kingston, Micron and SK hynix.
Model specifications - total Memory Slots: 4 | Maximum Memory: 128GB. Memory/ram specification - 16gb ddr4 pc4-21300 2666mhz 260-pin sodiMM 1.
2 volts. Customer care - full lifetime warranty, free support and free returns. Installation - mr memory recommends you install modules in pairs for Dual-channel performance | Upgrading your computers memory is simple with our easy to follow installation guides. Mr memory has 44, 000+ 5-star reviews on TrustPilot.
8. GLOBAL MEMORY
128GB 4 x 32GB DDR4 2666MHz PC4-21300 260-PIN SODIMM MEMORY RAM KIT FOR 27" RETINA 5K IMAC 2019/2020
GLOBAL MEMORY - Type/interface: 260-pin DDR4 SODIMM. Cas latency: CL19. Size/capacity: 64gb kIT 4 x 32GB. Voltage/power consumption: 1. 2v. Speed: pc4-21300 2666MHz.
9. Timetec
Timetec Hynix IC 16GB8GBx2 DDR4 2400MHz PC4-19200 SODIMM Memory Upgrade For iMac Retina 4k/5K 21.5-inch/27-inch Mid 2017 Single Rank
Timetec - Power supply: vdd=1. 2v 1. 14v to 1. 26v vddq = 1. 2v 1. 14v to 1. 26v. Guaranteed – lifetime warranty from purchase Date Free technical support support@timetecinc. Com mon - fri 9am-6pm pST.
Ddr4 2400mhz pc4-19200 260 pin unbuffered non-ecc 1. 2v cl17 single rank 1Rx8 based 512x8. Module size: 8gb package: 2x8GB Compatible with Apple iMac 2017. Imac18, 2 w/retina 4k display 21. 5-inch mid 2017 imac 18, 3 w/retina 5k display 27-inch Mid 2017 18, 1 21. 5-inch mid 2017.
10. GLOBAL MEMORY
32GB 2 x 16GB DDR4 2400MHz PC4-19200 260-PIN SODIMM MEMORY RAM KIT FOR INTEL IMAC 27" RETINA 5K 2017
GLOBAL MEMORY - Size/capacity: 32gb kIT 2 x 16GB. Type/interface: 260-pin DDR4 SODIMM. Speed: pc4-19200 2400MHz. Voltage/power consumption: 1. 2v. Cas latency: CL17.
Crucial - Increase bandwidth by up to 32 Percent. Reduce power consumption by up to 40 Percent. Faster bursts access speeds for improved sequential data throughout. Optimised for next generation processors and platforms. Speeds up to 3200 mt/s and faster data rates are expected to be available as DDR4 technology matures.
OWC - 8 gb pc4-21300 ddr4, so-dimm, 260-pin, rohs certified, 1.2v, warranty safe memory upgrade. Free technical support from our expert technicians, online installation videos available, Every module is backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program.
Dataram - 32gb 2x16gb ddr4 2400 mhz cl17 260pin so dimM Memory Module. Dataram, a trusted name in Computer memory since 1967. Guaranteed compatible with all 2017 27 inch w/ Retina 5K Display iMacs 18, 3 A1419. Dataram memory is always built with name brand chips like Micron, Samsung or Hynix. Like all dataram memory, these modules have a Lifetime Replacement Warranty and free Tech Support.
OWC - Owc memory lifetime limited Warranty including the OWC Lifetime Advanced Replacement Program". Warranty Safe Upgrade. Install in pairs 2 modules at a time for the best performance, iMac 5K comes with 4 memory slots supporting up to 16GB per slot iMac 5K supports 64GB total memory. 16. 0gb 2 x 8. 0gb 2400mhz ddr4 so-dimm pc4-19200 260 pin cl17 memory upgrade for mid 2017 imac 27\" w/ retina 5K models and PCs which utilize PC4-19200 SO-DIMM. Memory upgrade kit for imac 27\" 2017 with retina 5k display with processors: 27\" i5 3. 4ghz, 27\" i5 3. 5ghz, 27\" i5 3. 8ghz, 27\" i7 4. 2ghz.
Mr Memory - Improve the start-up time of your computer and speed up your games and apps. 100% compatible - guaranteed compatible new stock from the best brands in the world, Crucial, Samsung, including Kingston, Micron and SK hynix.
Timetec - Power supply: vdd=1. 2v 1. 14v to 1. 26v vddq = 1. 2v 1. 14v to 1. 26v. Guaranteed – lifetime warranty from purchase Date Free technical support support@timetecinc. Com mon - fri 9am-6pm pST. Ddr4 2400mhz pc4-19200 260 pin unbuffered non-ecc 1. 2v cl17 single rank 1Rx8 based 512x8. Module size: 8gb package: 2x8GB Compatible with Apple iMac 2017. Imac18, 2 w/retina 4k display 21. 5-inch mid 2017 imac 18, 3 w/retina 5k display 27-inch Mid 2017 18, 1 21. 5-inch mid 2017.
