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  • Why We’re Here In everything we do, we believe in making a better world where technology inspires imagination and everything is possible. Home » Why We're Here About OWC For more than 35 years, OWC has had a simple goal. To create innovative DIY solutions to give you the most from your technology. At OWC, we feel that technology can be instrumental in changing the world for the better if it’s done right. Whether you use it to communicate, create, or safeguard, we believe that technology should be simple, affordable, and easy to use. It should just work and do what you need it to do. At OWC, it is our mission to deliver that seamless level of experience to you with every solution that we make, and in every interaction that we have. We are working to build a better world through our solutions, and it is our mission to create solutions that improve the lives of everyone that touches them. At OWC we promise to: Respect your time. Whether that is through our solutions that aim to get the tech out of the way and keep it out so you can focus on what’s important to you or through our service getting you the advice or help you need. Maximize your budget. That means in the short term in having fair prices, but most importantly in the long term by focusing on quality solutions that are built to last. Our solutions aren’t the cheapest because we know how much of a pain it is to swap out parts in your set up and we know how much you rely on your OWC gear. Support you. Every solution is backed and supported by knowledgeable representatives, not just before the sale, but during and after. You can always call, email or chat with OWC over the lifetime of the product. And that support is always free (outside of the few noted exceptions). Educate. It’s a fast moving world out there. We geek out on the tech so you don't have to. Our solutions help make complicated tasks fast and easy, our install videos demystify and our blog helps you do more with what you have and wade through the marketing-speak. Give it our all. All components in our solutions go through a strict qualification process to make sure they will perform as needed. External drive solutions are additionally tested after assembly, with some tests taking hours or even days to certify that they will go the distance. Channel you. Our solutions are tested using many different workflows so we can ensure when you plug it in, it just works. Complete the circle. There are many, many different options out there and while our hardware and software solutions are designed to work together, they are also designed to work within your setup. See More
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OWC, 384GB, PC23400, DDR4, ECC, Set (6 x 64GB), 2933MHz, 288-pin, LRDIMM, Memory Upgrade
OWC, 384GB, PC23400, DDR4, ECC, Set (6 x 64GB), 2933MHz, 288-pin, LRDIMM, Memory Upgrade
  • CAS Latency: CL21
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Registered
  • Model #: OWC2933L6M384
  • Item #: N82E16820015108
  • Return Policy: Manufacturer Only Return Policy
$3,021.99
Free Shipping
OWC 64GB (2x32GB) DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
OWC 64GB (2x32GB) DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
  • CAS Latency: CL40
  • Voltage: 1.1V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Workstations, Servers, and NAS Systems
  • Model #: OWC4E8D52R8064P-B922-SF
  • Return Policy: View Return Policy
$1,233.78
OWC 64GB (8x8GB) DDR4 2400MHZ PC4-19200 CL17 1RX8 Non-ECC SODIMM 1.2V 260-pin Laptop Notebook Memory RAM Upgrade Module
OWC 64GB (8x8GB) DDR4 2400MHZ PC4-19200 CL17 1RX8 Non-ECC SODIMM 1.2V 260-pin Laptop Notebook Memory RAM Upgrade Module
  • Brand: OWC
  • Capacity: 64GB (8 x 8GB)
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2400 (PC4 19200)
  • Model #: OWC2S4D41R8064K
  • Return Policy: View Return Policy
$411.76
OWC 256GB (4x64GB) DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with Supermicro Motherboard H12SSL-CT H12SSL-NT H12SSW-iNR H12SSW-NTR
OWC 256GB (4x64GB) DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with Supermicro Motherboard H12SSL-CT H12SSL-NT H12SSW-iNR H12SSW-NTR
  • Voltage: 1.2V
  • Compatible System: Supermicro Motherboard H12SSL-CT Supermicro Motherboard H12SSL-NT Supermicro Motherboard H12SSW-iNR Supermicro Motherboard H12SSW-NTR
  • CAS Latency: CL22
  • Part Number: 3R2D42R4256S
  • Model #: OWC3R2D42R4256S-C033-SF
  • Return Policy: View Return Policy
$1,673.24
OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
  • Brand: OWC
  • Capacity: 16GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2C6D42R816GB-C334-SF
  • Item #: 9SIBX68KEE7698
  • Return Policy: View Return Policy
$119.99
OWC 256GB (4x64GB) DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
OWC 256GB (4x64GB) DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
  • Brand: OWC
  • Capacity: 256GB (4 x 64GB)
  • Speed: DDR5 4800 (PC5 38400)
  • ECC: Yes
  • Model #: OWC4R8D52R4256S-B923-SF
  • Return Policy: View Return Policy
$2,692.76
OWC 64GB (2x32GB) DDR4 3200MHz PC4-25600 CL22 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM
OWC 64GB (2x32GB) DDR4 3200MHz PC4-25600 CL22 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM
  • CAS Latency: CL22
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Workstations, Servers, and NAS Systems
  • Model #: OWC3E2D42R8064P
  • Return Policy: View Return Policy
$485.54
Other World Computing Owcmsu35s1gb8 Owc 1.0tb 5400rpm On-the-go Usb 3.0
Other World Computing Owcmsu35s1gb8 Owc 1.0tb 5400rpm On-the-go Usb 3.0
$59.99
Free Shipping
OWC 256GB (8x32GB) DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server
OWC 256GB (8x32GB) DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Part Number: 2R6D42R4256K
  • Model #: OWC2R6D42R4256K
  • Return Policy: View Return Policy
$1,735.20
OWC 64GB (2x32GB) DDR5 5600 PC5-44800 CL46 2Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
OWC 64GB (2x32GB) DDR5 5600 PC5-44800 CL46 2Rx8 288-pin 1.1V ECC Unbuffered UDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
  • CAS Latency: CL46
  • Voltage: 1.1V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Workstations, Servers, and NAS Systems
  • Model #: OWC5E6D52R8064P-B972-SF
  • Return Policy: View Return Policy
$1,233.78
OWC 64GB Replacement for Synology D4ER01-64G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology Flashstation NAS SA6400
OWC 64GB Replacement for Synology D4ER01-64G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology Flashstation NAS SA6400
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Part Number: 2R6D42R464GB
  • Type: 288-Pin DDR4 SDRAM
  • Model #: OWC2R6D42R464GB-ZBK-SF
  • Return Policy: View Return Policy
$419.99
OWC 32GB (2x16GB) DDR5 5200 PC5-41600 CL42 1Rx8 262-pin 1.1V Non-ECC SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems
OWC 32GB (2x16GB) DDR5 5200 PC5-41600 CL42 1Rx8 262-pin 1.1V Non-ECC SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems
  • Brand: OWC
  • Capacity: 32GB (2 x 16GB)
  • Type: 262-Pin DDR5 SO-DIMM
  • Speed: DDR5 5200 (PC5 41600)
  • Model #: OWC5S2D51R8032P-B969-SF
  • Return Policy: View Return Policy
$510.44
OWC 128GB (4x32GB) DDR4 2400 PC4-19200 CL17 2Rx4 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with Cisco UCS C240 M4
OWC 128GB (4x32GB) DDR4 2400 PC4-19200 CL17 2Rx4 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with Cisco UCS C240 M4
  • Voltage: 1.2V
  • Compatible System: Cisco UCS C240 M4
  • CAS Latency: CL17
  • Part Number: 2R4D42R4128S
  • Model #: OWC2R4D42R4128S-B759-SF
  • Return Policy: View Return Policy
$868.47
OWC 64GB (4x16GB) DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
OWC 64GB (4x16GB) DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers
  • CAS Latency: CL9
  • Voltage: 1.5V
  • Multi-channel Kit: Dual Channel Kit
  • Part Number: 1R3D32R4064S
  • Model #: OWC1R3D32R4064S-B270-SF
  • Return Policy: View Return Policy
$150.36
OWC 32GB Replacement for QNAP RAM-32GDR4K0-SO-3200 32GB DDR4 3200 PC4-25600 CL22 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade
OWC 32GB Replacement for QNAP RAM-32GDR4K0-SO-3200 32GB DDR4 3200 PC4-25600 CL22 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade
  • Brand: OWC
  • Capacity: 32GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: OWC3S2D42R832GB-B614-SF
  • Item #: 9SIBX68KCH6247
  • Return Policy: View Return Policy
$215.99
OWC 32GB Replacement for Samsung M393A4K40BB2-CTD M393A4K40CB2-CTD M393A4K40DB2-CTD - DDR4 2666MHz PC4-21300 ECC Registered RDIMM 288-Pin 2Rx4 1.2V Memory RAM Upgrade
OWC 32GB Replacement for Samsung M393A4K40BB2-CTD M393A4K40CB2-CTD M393A4K40DB2-CTD - DDR4 2666MHz PC4-21300 ECC Registered RDIMM 288-Pin 2Rx4 1.2V Memory RAM Upgrade
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Part Number: 2R6D42R432GB
  • Type: 288-Pin DDR4 ECC RDIMM
  • Model #: OWC2R6D42R432GB-B142-SF
  • Item #: 9SIBX68KCF9287
  • Return Policy: View Return Policy
$217.99
OWC 2GB DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V Non-ECC Unbuffered DIMM Memory RAM Module Upgrade Compatible with HP Elite 8300 SFF 8300 Tower
OWC 2GB DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V Non-ECC Unbuffered DIMM Memory RAM Module Upgrade Compatible with HP Elite 8300 SFF 8300 Tower
  • Voltage: 1.5V
  • Compatible System: HP Elite 8300 SFF HP Elite 8300 Tower
  • CAS Latency: CL11
  • Part Number: 1U6D31R802GB
  • Model #: OWC1U6D31R802GB-B459-SF
  • Return Policy: View Return Policy
$23.50
Free Shipping
OWC 64GB (2x32GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM
OWC 64GB (2x32GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM
  • Brand: OWC
  • Capacity: 64GB (2 x 32GB)
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2C6D42R8064P
  • Return Policy: View Return Policy
$485.54
OWC 128GB (4x32GB) DDR4 3200MHz PC4-25600 CL22 2RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC
OWC 128GB (4x32GB) DDR4 3200MHz PC4-25600 CL22 2RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC
  • CAS Latency: CL22
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Desktops
  • Model #: OWC3U2D42R8128S
  • Return Policy: View Return Policy
$857.48

Innovative DIY Solutions

For over 35 years, OWC has championed DIY solutions that maximize your tech experience. Our focus on innovation ensures that whether you need Desktop Memory or Laptop Memory, our products just work as they should. We’re dedicated to making technology that’s intuitive, simple, and most importantly, inspiring.

Quality and Longevity

At OWC, we believe in delivering quality that lasts. Our components undergo a strict qualification process, including extensive testing of Internal SSDs and External SSDs, ensuring they go the distance. We don’t aim to be the cheapest, but the most reliable, helping you make the most of your budget over the long term.

Comprehensive Customer Support

Supporting our customers is key. Every Server Memory and Controllers / RAID Cards are backed by knowledgeable representatives available before, during, and after purchase. With OWC, you’re never alone, offering free support to solve any challenges you may face.

Technology That Educates

Technology should empower and educate. Through our engaging blog and instructional videos, we demystify the complexities of tech. Whether you need to understand Thunderbolt Cables & Adapters, or Docking Stations, OWC is here to help you navigate and optimize your technology.

Serving a Better Tomorrow

OWC’s commitment is to make technology a tool for a better world. Whether it’s communicating, creating, or safeguarding, our technology inspires imagination. Our solutions, from Server Chassis to Portable External Hard Drives, are designed to seamlessly integrate into your workflow, making everything possible.