Capacity: 250GB, 320GB, 500GB, 750GB, 1TB, 2TB. 160GB≈149GB, 250GB≈232GB, 320 GB ≈ 298 GB, 500 GB ≈ 465 GB, 750 GB ≈ 698 GB, 1 TB ≈ 931 GB, 2TB ≈ 1.81TB, 4 TB ≈ 3.63 TB，6 TB ≈ 5.45 TB，8 TB ≈ 7.27 TB，10 TB ≈ 9.09 TB，12 TB ≈ 10.91 ТB，14 TB ≈ 12.73 TB，16 TB ≈ 14.55 TB，18 TB ≈ 16.37 TB.
eBay
Portable Hard Drive 16TB Solid Disk High Speed External Hard Disk USB 3.1 Type-C Solid State Drive for PC/Phone/Loptop
Aliexpress UK
Capacity: 250GB 320GB 500GB 750GB 1TB 4TB 6TB 8TB. Portable mini size with large storage capacity, is ideal for transferring or backing up files, and easy to carry around or take with you in back pocket or sling bag.
eBay
MAIWO Dual Bay External Hard Drive Enclosure 2.5 Inch HDD & SSD SATA I/II/III Case USB3.0 5Gbps With 4 RAID Modes Aluminum shell
Aliexpress UK
Bipra One Touch Backup 320GB USB 2.0 NTFS Portable External Hard Drive - Black ---Storage capacity: 320GB ---Formatted as NTFS file system ---USB 2.0 hard drive interface ---Support plug and play ---USB bus powered - no external power needed Product Description Bipra 2.5 inch external hard drive. Formatted as NTFS file system. Powered by: USB 2.0 drive interface. No external power required. Storage capacity: 320GB. A Sata Hard drive. 9mm thick. 5400 rpm, very fast drive. 8MB Buffering. Average seek time: 12ms. Available in Black colour. Box Contains 1x Hard Drive 1x USB Cable.
eBay
1TB 2TB 4TB 8TB 2.5 Expansion Hdd Drive Disk Usb3.0 External Portable Hard For Home And Professional Use
Aliexpress UK
Capacity: 160GB 250GB 320GB 500GB 750GB 1TB 2TB. - Xbox One/360 : NTFS / FAT32 / XBOX. 250GB 500GB 1TB 2TB External Hard Drive USB3.0 2.5" Mac PC Portable Storage Disk. External Hard Drive 500GB 1TB USB Storage Device for Gaming, Files, Photos, TVs.
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ORICO NAS Storage 2.5 Inch HDD Hard Drive Enclosure Network Box With Automatic Backup Remote Access External Enclosure Adapter
Aliexpress UK
Runs straight from a usb 2.0 or usb 3.0 port no external power source needed.
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Netac External Hard Drive SSD 1tb 2tb Portable SSD 512G 250GB Hard Disk Solid State Drive for laptop
Aliexpress UK
Capacity: 160GB 250GB 320GB 500GB 750GB 1TB 2TB. External Hard Drive 500GB 2TB Ultra Slim Portable Hard Drive USB3.0 HDD Storage. It allows you to conveniently transport important files and is therefore suitable for storing and backing up your important data, videos, photos and more.
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Yottamaster 4/5 Bay SATA HDD SSD Enclosure 2.5"/3.5"inch Hard Drive External Case 10Gbps Type C HD House for NAS Storage Box
Aliexpress UK
UnionSine External Hard Drive 500GB USB 3.0 MAC PC LAPTOP TV HDD 2.5" - Portable. External hard drive 750GB USB 3.0 PC Gaming Xbox Series X/S storage expansion. Simply connect the USB lead cable to the portable hard drive and plug the other end to a USB port.
eBay
Batocera 500G/2T Emulator Game Hard Drive For N64/PS3/PS2/MAME/NDS External Gaming HDD Built-in 52000+ Retro&3D Games Plug&Play
Aliexpress UK
USB 3.0 is faster than USB 2.0. 1 x USB 3.0 cable.
eBay
Netac Portable SSD 2TB 1TB 500gb External Hard Drive 550MB/s USB3.2 HDD Disk for PS4 XBox Laptop Desktop
Aliexpress UK