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OWC

OWC 64GB (4 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with 27" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S64S)

    • Based on 1,582 reviews
Condition: New
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Availability: 16 left in stock
Fulfilled by Amazon
Arrives Wednesday, May 22
Order within 2 hours and 57 minutes
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Size: 64GB


Style: 4 x 16GB


Features

  • 4 x 16 GB (64 GB) PC19200 DDR4 2400MHz SO-DIMM Memory, 260-Pin, 1.2 Volts, Non-registered, Non-ECC, Fully compliant with JEDEC specifications, ROHS compliant, warranty safe upgrade; Backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program
  • Memory Upgrade Compatible with 2017 iMac: iMac w/Retina 5K display (27 inch mid 2017) Model ID: iMac18,3 (3.4GHz & 3.5GHz & 3.8GHz Core i5 & 4.2GHz Core i7)
  • Compatible with select PC Laptop, PC Notebook, & All in One Computers

Brand: OWC


Computer Memory Size: 64 GB


RAM Memory Technology: DDR4 2400MHz


Memory Speed: 1200 MHz


Compatible Devices: Desktop


RAM: ‎64 GB DDR4 2400MHz


Memory Speed: ‎2


Brand: ‎OWC


Series: ‎OWC2400DDR4S64S


Item model number: ‎OWC2400DDR4S64S


Item Weight: ‎2.4 ounces


Package Dimensions: ‎6.89 x 4.96 x 0.51 inches


Color: ‎4 x 16GB


Computer Memory Type: ‎DDR4 SDRAM


Voltage: ‎1.2 Volts


Manufacturer: ‎Other World Computing


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎June 8, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • iMac now crashing
Size: 32 GB Style: 2 x 16GB
Since I installed 2 more rams of memory in my iMac (Retina 5K, 27-inch, 2017), it now periodically just crashes. I have the error report but it means nothing to me. I assume my issue is related to this installation. Would anyone have any suggestions? panic(cpu 1 caller 0xffffff801d7198aa): [iokit.IODMACommand]: element modified after free (off:24, val:0x0000010000000000, sz:120, ptr:0xffffffa4c5c14e10) 24: 0x0000010000000000 Panicked task 0xffffffa991ae79f0: 7 threads: pid 2319: com.apple.WebKit Backtrace (CPU 1), panicked thread: 0xffffffae57bf2000, Frame : Return Address 0xffffff80c9a3abd0 : 0xffffff801ce81c8d 0xffffff80c9a3ac20 : 0xffffff801cfe1596 0xffffff80c9a3ac60 : 0xffffff801cfd0963 0xffffff80c9a3acb0 : 0xffffff801ce21a70 0xffffff80c9a3acd0 : 0xffffff801ce8205d 0xffffff80c9a3adf0 : 0xffffff801ce81816 0xffffff80c9a3ae50 : 0xffffff801d715163 0xffffff80c9a3af40 : 0xffffff801d7198aa 0xffffff80c9a3b3b0 : 0xffffff801ceeb8a9 0xffffff80c9a3b410 : 0xffffff801d64f497 0xffffff80c9a3b440 : 0xffffff801d64cc51 0xffffff80c9a3b4a0 : 0xffffff7fb5dea857 0xffffff80c9a3b4c0 : 0xffffff7fb5dfc9fb 0xffffff80c9a3b510 : 0xffffff7fb5da92bd 0xffffff80c9a3b530 : 0xffffff7fb5dfa00b 0xffffff80c9a3b550 : 0xffffff7f9dc66f3f 0xffffff80c9a3b5b0 : 0xffffff7f9dc30d31 0xffffff80c9a3b5e0 : 0xffffff7f9dc434ac 0xffffff80c9a3b630 : 0xffffff7f9dc437e5 0xffffff80c9a3b6d0 : 0xffffff7fb5ded368 0xffffff80c9a3b710 : 0xffffff7fb5ded719 0xffffff80c9a3b9b0 : 0xffffff7f9dc34252 0xffffff80c9a3b9e0 : 0xffffff7fb5dee8f1 0xffffff80c9a3ba70 : 0xffffff7fb5dec94b 0xffffff80c9a3bad0 : 0xffffff7fb5dec741 0xffffff80c9a3bb20 : 0xffffff7fb5deb81d 0xffffff80c9a3bb60 : 0xffffff801d683a8c 0xffffff80c9a3bcc0 : 0xffffff801cf872e6 0xffffff80c9a3bdd0 : 0xffffff801ce5c9ab 0xffffff80c9a3be60 : 0xffffff801ce731f9 0xffffff80c9a3bef0 : 0xffffff801cfb35aa 0xffffff80c9a3bfa0 : 0xffffff801ce22256 Kernel Extensions in backtrace: com.apple.iokit.IOAcceleratorFamily2(462.8)[F0D1B5AF-356A-3F86-8829-8F00218602CB]@0xffffff7fb5da6000->0xffffff7fb5e10fff dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[2B96E04B-E2A5-3296-AF14-6A766880A652]@0xffffff801e5a1000->0xffffff801e5c2fff dependency: com.apple.iokit.IOGraphicsFamily(597)[BBEE13AB-2291-37D9-AAE4-9E565E8950A5]@0xffffff7fb5f3f000->0xffffff7fb5f6dfff dependency: com.apple.iokit.IOPCIFamily(2.9)[654ABF9D-EB24-3B64-AB1C-EC2AC8357192]@0xffffff801fa24000->0xffffff801fa4ffff dependency: com.apple.iokit.IOReportFamily(47)[5578189C-7C1D-3158-B357-F8D6A216DCE1]@0xffffff801fa61000->0xffffff801fa63fff dependency: com.apple.iokit.IOSurface(302.14)[F0BF8EFA-AA35-37B5-B3AB-A8BCF5E62024]@0xffffff801fb94000->0xffffff801fbb0fff com.apple.kext.AMDRadeonX4000(4.0.8)[B7BDCB57-0EF9-37E9-B724-29D96491A4FB]@0xffffff7f9dc2b000->0xffffff7f9e07dfff dependency: com.apple.iokit.IOAcceleratorFamily2(462.8)[F0D1B5AF-356A-3F86-8829-8F00218602CB]@0xffffff7fb5da6000->0xffffff7fb5e10fff dependency: com.apple.iokit.IOGraphicsFamily(597)[BBEE13AB-2291-37D9-AAE4-9E565E8950A5]@0xffffff7fb5f3f000->0xffffff7fb5f6dfff dependency: com.apple.iokit.IOPCIFamily(2.9)[654ABF9D-EB24-3B64-AB1C-EC2AC8357192]@0xffffff801fa24000->0xffffff801fa4ffff dependency: com.apple.iokit.IOSurface(302.14)[F0BF8EFA-AA35-37B5-B3AB-A8BCF5E62024]@0xffffff801fb94000->0xffffff801fbb0fff Process name corresponding to current thread (0xffffffae57bf2000): com.apple.WebKit.WebContent Mac OS version: 21F79 Kernel version: Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:22 PDT 2022; root:xnu-8020.121.3~4/RELEASE_X86_64 Kernel UUID: 3C587984-4004-3C76-8ADF-997822977184 KernelCache slide: 0x000000001cc00000 KernelCache base: 0xffffff801ce00000 Kernel slide: 0x000000001cc10000 Kernel text base: 0xffffff801ce10000 __HIB text base: 0xffffff801cd00000 System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2) System shutdown begun: NO Panic diags file available: YES (0x0) Hibernation exit count: 0 System uptime in nanoseconds: 340686258085148 Last Sleep: absolute base_tsc base_nano Uptime : 0x000135da33649f64 Sleep : 0x0000000000000000 0x0000000000000000 0x0000000000000000 Wake : 0x0000000000000000 0x000000107080ddae 0x0000000000000000 Compressor Info: 5% of compressed pages limit (OK) and 18% of segments limit (OK) with 16 swapfiles and OK swap space Zone info: Zone map: 0xffffff99901f0000 - 0xffffffb9901f0000 . PGZ : 0xffffff99901f0000 - 0xffffff99951f1000 . VM : 0xffffff99951f1000 - 0xffffff9e612bd000 . RO : 0xffffff9e612bd000 - 0xffffff9ffa856000 . GEN0 : 0xffffff9ffa856000 - 0xffffffa4c6922000 . GEN1 : 0xffffffa4c6922000 - 0xffffffa9929ef000 . GEN2 : 0xffffffa9929ef000 - 0xffffffae5eabc000 . GEN3 : 0xffffffae5eabc000 - 0xffffffb32ab89000 . DATA : 0xffffffb32ab89000 - 0xffffffb9901f0000 Metadata: 0xffffff805b6df000 - 0xffffff807b6df000 Bitmaps : 0xffffff807b6df000 - 0xffffff808a6df000 last started kext at 217245416091: @filesystems.smbfs 4.0 (addr 0xffffff7fb6338000, size 483328) last stopped kext at 335917090967: >!AThunderboltEDMSink 5.0.3 (addr 0xffffff7fb5bc7000, size 32768) loaded kexts: @filesystems.smbfs 4.0 >!ATopCaseHIDEventDriver 5450.8 >AudioAUUC 1.70 >!APlatformEnabler 2.7.0d0 >X86PlatformShim 1.0.0 >AGPM 129 >!AUpstreamUserClient 3.6.9 @kext.AMDFramebuffer 4.0.8 @filesystems.autofs 3.0 @kext.AMDRadeonX4000 4.0.8 >!AHDA 340.2 @kext.AMDRadeonServiceManager 4.0.8 >!AGraphicsDevicePolicy 6.5.7 >eficheck 1 >!A!IKBLGraphics 18.0.7 @AGDCPluginDisplayMetrics 6.5.7 >!A!IKBLGraphicsFramebuffer 18.0.7 >pmtelemetry 1 |IOUserEthernet 1.0.1 >usb.!UUserHCI 1 >!AHV 1 >!ADiskImages2 126.100.13 @kext.AMD9500!C 4.0.8 >!A!ISlowAdaptiveClocking 4.0.0 >!ASMCLMU 212 >!A!IPCHPMC 2.0.1 >!AGFXHDA 140.3 >!AThunderboltIP 4.0.3 >!AMCCSControl 1.16 >!AFileSystemDriver 3.0.1 @filesystems.tmpfs 1 @filesystems.lifs 1 @filesystems.hfs.kext 583.100.10 @BootCache 40 @!AFSCompression.!AFSCompressionTypeZlib 1.0.0 @!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1 @filesystems.apfs 1934.121.2 >AirPort.BrcmNIC 1400.1.1 >!ASDXC 3.2.1 |!ABCM5701Ethernet 11.0.0 >!AAHCIPort 351.100.4 @private.KextAudit 1.0 >!AACPIButtons 6.1 >!ARTC 2.0.1 >!ASMBIOS 2.1 >!AACPIEC 6.1 >!AAPIC 1.7 @!ASystemPolicy 2.0.0 @nke.applicationfirewall 402 |IOKitRegistryCompatibility 1 |EndpointSecurity 1 @Dont_Steal_Mac_OS_X 7.0.0 @kec.!AEncryptedArchive 1 >driverkit.serial 6.0.0 |IOSerial!F 11 >!AHIDKeyboard 228.2 >!AMultitouchDriver 5450.14 >!AInputDeviceSupport 5450.4 >!AHS!BDriver 5450.8 >IO!BHIDDriver 9.0.0 @kext.triggers 1.0 @kext.AMDRadeonX4200HWLibs 1.0 >DspFuncLib 340.2 @kext.OSvKernDSPLib 529 @kext.AMDRadeonX4000HWServices 4.0.8 >!AGraphicsControl 6.5.7 >!ASMBusPCI 1.0.14d1 |IOAccelerator!F2 462.8 |IO!BSerialManager 9.0.0 |IO!BPacketLogger 9.0.0 |IO!BHost!CUSBTransport 9.0.0 |IO!BHost!CUARTTransport 9.0.0 |IO!BHost!CTransport 9.0.0 >IO!BHost!CPCIeTransport 9.0.0 |IOAVB!F 1040.6 @plugin.IOgPTPPlugin 1040.3 |IOEthernetAVB!C 1.1.0 |CSR!BHost!CUSBTransport 9.0.0 |Broadcom!BHost!CUSBTransport 9.0.0 |Broadcom!B20703USBTransport 9.0.0 >!AIPAppender 1.0 @kext.AMDSupport 4.0.8 @!AGPUWrangler 6.5.7 |IOSlowAdaptiveClocking!F 1.0.0 @!AGraphicsDeviceControl 6.5.7 >X86PlatformPlugin 1.0.0 >IOPlatformPlugin!F 6.0.0d8 >!AHDA!C 340.2 |IOHDA!F 340.2 |IONDRVSupport 597 |IOAudio!F 340.2 @vecLib.kext 1.2.0 >!AThunderboltDPOutAdapter 8.5.1 |IOGraphics!F 597 >!ASMBus!C 1.0.18d1 |IOAHCIBlock!S 333.100.3 >usb.IOUSBHostHIDDevice 1.2 >usb.cdc 5.0.0 >usb.networking 5.0.0 >usb.!UHostCompositeDevice 1.2 >!AThunderboltPCIUpAdapter 4.1.1 >!AThunderboltPCIDownAdapter 4.1.1 >!AThunderboltDPInAdapter 8.5.1 >!AThunderboltDPAdapter!F 8.5.1 >!AHPM 3.4.4 >!A!ILpssI2C!C 3.0.60 >!A!ILpssDmac 3.0.60 >!ABSDKextStarter 3 |IOSurface 302.14 @filesystems.hfs.encodings.kext 1 >!AXsanScheme 3 >!AThunderboltNHI 7.2.81 |IOThunderbolt!F 9.3.3 |IO80211!FLegacy 1200.12.2b1 |IOSkywalk!F 1.0 >corecapture 1.0.4 |IONVMe!F 2.1.0 >mDNSOffloadUserClient 1.0.1b8 >!A!ILpssI2C 3.0.60 >!A!ILpssGspi 3.0.60 >usb.!UXHCIPCI 1.2 >usb.!UXHCI 1.2 |IOAHCI!F 297 >usb.!UHostPacketFilter 1.0 |IOUSB!F 900.4.2 >!AEFINVRAM 2.1 >!AEFIRuntime 2.1 |IOSMBus!F 1.1 |IOHID!F 2.0.0 |IOTimeSync!F 1040.3 |IONetworking!F 3.4 >DiskImages 493.0.0 |IO!B!F 9.0.0 |IOReport!F 47 $quarantine 4 $sandbox 300.0 @kext.!AMatch 1.0.0d1 |CoreAnalytics!F 1 >!ASSE 1.0 >!AKeyStore 2 >!UTDM 533.120.2 |IOUSBMass!SDriver 210.120.3 |IOSCSIBlockCommandsDevice 456.121.3 |IO!S!F 2.1 |IOSCSIArchitectureModel!F 456.121.3 >!AMobileFileIntegrity 1.0.5 $!AImage4 4.2.0 @kext.CoreTrust 1 >!AFDEKeyStore 28.30 >!AEffaceable!S 1.0 >!ACredentialManager 1.0 >KernelRelayHost 1 |IOUSBHost!F 1.2 >!UHostMergeProperties 1.2 >usb.!UCommon 1.0 >!ABusPower!C 1.0 >!ASEPManager 1.0.1 >IOSlaveProcessor 1 >!AACPIPlatform 6.1 >!ASMC 3.1.9 |IOPCI!F 2.9 |IOACPI!F 1.4 >watchdog 1 @kec.pthread 1 @kec.Libm 1 @kec.corecrypto 12.0 ... show more
Reviewed in the United States on July 19, 2022 by MM
    • Good Memory choice
Size: 16GB Style: 1 x 16GB
Memory ordered works as expected on my computer
Reviewed in the United States on April 28, 2023 by Juan C Ruiz
    • No issues in my NUC
Size: 32GB Style: 1 x 32GB
Works well easy plug and play!
Reviewed in the United States on April 29, 2023 by ManCave
    • Seems to work fine
Size: 16GB Style: 2 x 8GB
Easy to install and seems to work fine.
Reviewed in the United States on April 26, 2023 by Peggy
    • They work fine
Size: 8 GB Style: 2 x 4GB
They they work fine I'm happy with them I recommend them
Reviewed in the United States on April 23, 2023 by SMZ
    • Just right
Size: 16GB Style: 1 x 16GB
Worked just like advertised.
Reviewed in the United States on April 25, 2023 by Larryw
    • Easy to install and worked instantly
Size: 64GB Style: 4 x 16GB
Easy to install and worked great instantly. Took longer to power off my Mac than it did to install it.iMac (Retina 5K, 27-inch, 2017 4.2 GHz Quad-Core Intel Core i7
Reviewed in the United States on March 24, 2023 by james
    • I don’t do hardware
Size: 32 GB Style: 2 x 16GB
On my Mac, this was simple to install. Apple but a bay on the back to access the memory. I spent more time worrying about it then actually doing it.
Reviewed in the United States on March 23, 2023 by Retired in Texas

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