Western DigitalIn stock
Red Pro SATA 6G 7200 RPM 3.5-inch 18TB
- 18 TB
- 3.5"
- 7200 rpm
- Category
- Hard drives
- Capacity
- 18 TB
- Size
- 3.5"
$769.99 ≈ 0.01008 BTC
Free EU shipping
Internal drives
M.2 NVMe SSDs, 2.5-inch SATA SSDs, 3.5-inch hard drives and Blu-ray and DVD drives for desktops, laptops and NAS units. Check your free slots and bays, and pay in BTC, ETH or USDT.
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- Free EU shippingOn orders over $300, with DHL
- Ships in 1–2 business daysFrom our warehouse in Germany
- New and sealedFull manufacturer warranty
- 30-day returnsSimple, tracked and refunded in crypto
Buying internal drives at HodlChip
Before choosing a drive, check which connections your PC or laptop has free:
- M.2 slots take NVMe SSDs. Check each slot's PCIe generation (3.0, 4.0 or 5.0) and supported length: desktops use 2280, while some laptops and handhelds need shorter 2230 or 2242 drives.
- 2.5-inch bays take SATA SSDs, connected with a SATA data cable and, in desktops, power from the PSU.
- 3.5-inch bays take hard drives for bulk storage in desktops and NAS units.
- 5.25-inch bays take internal Blu-ray and DVD drives; without one, choose an external USB model.
A typical setup in 2026 is a 1 to 2 TB NVMe SSD for the operating system, apps and games, plus a larger second NVMe drive or a hard drive for media and archives. Some motherboards share bandwidth between M.2 slots and SATA ports or PCIe slots, so read the manual before filling every slot.
Moving to a new drive? Clone the old one with the manufacturer's migration tool, a cloning utility or a cloning dock, then extend the partition to use the full capacity. Drives larger than 2 TB need a GPT partition table, the default on current Windows installs. Our NVMe SSD guide explains PCIe generations, endurance and heatsinks.
Going deeper: NVMe SSD buying guide 2026: PCIe 5.0 vs PCIe 4.0
Questions about internal drives
How do I know which SSD fits my PC?
Check your motherboard or laptop manual for M.2 slots, their supported length (usually 2280 on desktops) and PCIe generation, and for free 2.5-inch bays and SATA ports. Some boards disable SATA ports when certain M.2 slots are used, which the manual also lists.
Can I put a PCIe 5.0 SSD in a PCIe 4.0 slot?
Yes. NVMe drives are backward compatible and run at the slot's maximum speed, so a PCIe 5.0 drive in a PCIe 4.0 slot performs like a fast PCIe 4.0 drive.
Should my operating system be on an SSD?
Yes. Booting, launching apps and installing updates are much faster on an SSD than on a hard drive. Keep hard drives for bulk files, backups and media.
