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Enhance your storage capacity for demanding workflows by installing the 1TB Accelsior 1M2 Internal PCIe 4.0 NVMe SSD Storage Solution from OWC into your desktop system’s available PCIe x4, x8, or x16 slot. This PCI 4.0 adapter is equipped with a high-performance 1TB M.2 NVMe solid-state drive that’s designed to deliver read speeds of up to 3200 MB/s and 3000 MB/s write speeds to support demanding workflows such as video editing, 3D modeling, and more. The drive is covered by an aluminum alloy heatsink with deeply grooved fins that silently cools the SSD to help prevent speed throttling, even during intensive use. The Accelsior 1M2 has also undergone extensive certification process to help ensure that it works with Mac Pro 2019, 2012, and 2010 computers in addition to PC systems. With its plug-and-play design, you can install and operate the drive without needing any additional hardware or software drivers.
| Weight | 0.45 lbs |
|---|---|
| Dimensions | 9.1 × 6.3 × 1.3 in |
| Storage Capacity | 1 TB |
| Encryption | None |
| Dimensions (W x H x D) | 6.1 x 2.6" / 15.4 x 6.7 cm |
| Certifications | BSMI, CE, FCC, RCM, VCCI, as per Manufacturer |
| Storage Altitude | -1, 000 to 40, 000' / -304.8 to 12, 192 m |
| Operating Altitude | -1, 000 to 10, 000' / -304.8 to 3048 m |
| Storage Humidity | 5 to 95% |
| Operating Humidity | 8 to 90% |
| Storage Temperature | -4 to 140°F / -20 to 60°C |
| Operating Temperature | 41 to 95°F / 5 to 35°C |
| TRIM Support | Yes |
| Cache Memory | None |
| SMART Support | Yes |
| Flash Memory Type | Tri-Level Cell (TLC) |
| Flash Controller | Phison E12 |
| Form Factor | M.2 2280 |
| Drive Type | SSD |
| Read Speed | Maximum: 3200 MB/s |
| Write Speed | Maximum: 3000 MB/s |
| Interface | PCIe 4.0 x4 |
| Pre-Format | None |
| Warranty Length | Limited 5-Year Warranty |
1 review for OWC 1TB Accelsior 1M2 Internal PCIe 4.0 NVMe SSD Storage Solution
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Abe Hackett (verified owner) –
I had a support chat with OWC first before ordering this because of the cost involved. Wanted to be sure that I was sure that it would work with my 2019 Mac Pro. They assured me it would, so I ordered confidently. Installation was simper than simple, just lift the top, place the card in a slot, replace the top, boom. Booted, holding my breath, and it showed up in the disk utility. But showed only 8.64GB of available storage. I tried the Erase (initialize) option, Still 8.64GB. Then, went into the partition setup of the disk utility, and voila, there it showed the full 4TB (well, 3.84TB) storage. Once I claimed it all for a single large partition and then reinitialized the drive (using MacOS Extended, Journaled), all was well. I was then able to make full use of the drive. It seems funny to call it a drive, when it’s actually just a thin chip on a PCIE-card. Even what you see in the picture there isn’t really it. Most of that bulge is just heat sink. Amazing they can stuff that much storage onto something so small. Also a rather amazing amount to pay for a drive, but I wanted fast, non-internal storage, and lots of it, so felt the need and went for it. So far, it is behaving perfectly, is indeed fast. So after a few anxious 8GB moments, I’m relieved and happy.