The 4OWC 4GB DDR3 1066MHz DIMM Memory Modulefrom OWC features a total capacity of 4GB, a clock speed of 1066 MHz, a bus speed of PC-8500, and a 240-pin DIMM form factor. It operates using 1.5V, has 7-7-7-20 timings, a component configuration of 512M x 72, a module bandwidth of 8.5 GB/s, and is equipped with ECC technology. Additionally, this memory module is equipped with an Apple-specified thermal sensor, which ensures that the RAM maintains a safe thermal operating range.

Model ID: MacPro5.1

2.4 GHz

Model ID: MacPro5.1

2.8 GHz, 3.2 GHz, 3.33 GHz

Model ID: MacPro4.1

2.26 GHz, 2.66 GHz, 2.93 GHz

Model ID: MacPro4.1

2.66 GHz, 2.93 GHz, 3.33 GHz

Model ID: Xserve3.1

2.26 GHz, 2.66 GHz, 2.93 GHz

Model ID: Xserve3.1

2.26 GHz

Compatible with Intel / AMD Process based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Compatible with Intel / AMD Process based servers capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Related Questions and Answers

Q: 1. is 4GB DDR3-1333 PC10600 compatible to hp G62-225dx?

A: No. My documentation shows that your system uses PC2 5300 RAM. The proper 4GB chip for your system can be found here: a href= http://bhpho.to/1sUNFxZ target= _blank http://bhpho.to/1sUNFxZ/a

Q: 2. Does it work with gigabyte aero 15 4k oled 9th gen.laptop?

A: Yes, this set of RAM would work with the Gigabyte Aero 15 laptop.

Q: 3. What's the performance difference between this and the Crucial kit "CT2K16G4TFD8266" for almost double the price? The only difference I see is the more expensive one has "x8-Based Chips" "Error Correction (ECC)"

A: The more expensive memory listed is ECC RAM for servers and workstations with Xeon processors.

Q: 4. Is this compatible with a computer already using HMA81GS6JJR8N-VK Sdram made by SK hynix?

A: It is best to keep ram sticks the same for maximum performance, but using these two ram sticks together will still work. they both match speed and match single rank.

Q: 5. Will this work on the 5K iMac 2017?

A: No this would not, I would suggest the following https://bhpho.to/31rt48z for the iMac 27" (5K) 2017 model

Q: 6. is it compatible with lenovo ideapad 330s?

A: Yes, this ram is compatible with the IdeaPad 330s.

Q: 7. My 27" late 2015 Mac OS has room for two 8GB memory modules. Cheaper to buy one 16GB. Can I use one 16GB instead of 2 8GB?

A: Yes you can. The system works best when its in pairs, so if you plan on adding another card it should be a 16GB not a smaller or larger size.

Q: 8. Is this one compatible with iMac 2020?

A: Yes, it is compatible.

Q: 9. Is this RAM still good for the late 2019 IMac that has recently been refreshed?

A: This RAM should work perfectly with the late 2019 iMac (27" only).

Q: 10. the i7 iMac 5k is it compatilble with 64GB ?? because the apple website says that Max is 32GB

A: Yes, this is compatible with the iMac.