Cheapest 4 TB external hard drive

All sizes of External hard drive →

Amazon $160/drivetypical $219 · 9 listings Buy on Amazon: $160 for 1 drive →as of 2026-11-05 12:12:41 UTC
eBay $138/drivetypical $194 · 8 new listings Buy on eBay: $130 + $7.72 ship for 1 drive →as of 2026-11-05 UTC

Amazon prices are before shipping (free on most items with Prime); eBay prices include shipping. We earn a commission when you buy through these links, at no cost to you.

All 17 listings, single drives first, then multipacks

ItemSizePricePer drive
Seagate Stkr4000400 Expansion Desktop 4tb External Hard Drive - new Black 1 drive1 drive$138$138 eBay →
Seagate Expansion Desktop 4TB HDD External Hard Drive STKR4000400 NEW/SEALED 1 drive1 drive$153$153 eBay →
Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) 1 drive1 drive$160$160 Amazon →
LaCie Rugged Mini 5 TB HDD External Hard Drive usb 3 stjj5000400 1 drive1 drive$179$179 eBay →
Seagate One Touch 4 TB Portable Hard Drive - 2.5" External - STNR4000400 1 drive1 drive$189$189 eBay →
WD 4TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password … 1 drive1 drive$190$190 Amazon →
Seagate Portable 4TB External Hard Drive HDD – USB 3.0, 1-Year Rescue 1 drive1 drive$190$190 Amazon →
Seagate ExpansionPLUS 6TB External Hard Drive HDD - USB 3.0 STKR6000400 1 drive1 drive$200$200 eBay →
Seagate Expansion External Hard Drive 6TB 1 drive1 drive$209$209 eBay →
WD 5TB My Passport, Portable External Hard Drive, Black, backup software with defense against ransomware, and password … 1 drive1 drive$210$210 Amazon →
Seagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black 1 drive1 drive$219$219 Amazon →
New WD Easystore 6TB HDD External USB 3.0 Portable Hard Drive - SEALED 1 drive1 drive$220$220 eBay →
WD Drive PLUS 6TB External Portable Hard Drive - Brand New 1 drive1 drive$240$240 eBay →
WD 6TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDB… 1 drive1 drive$265$265 Amazon →
Western Digital WD 5TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and … 1 drive1 drive$275$275 Amazon →
LaCie Rugged USB-C, 5TB, Portable External Hard Drive, Drop, Shock, Dust, Rain Resistant, for Mac & PC (STFR5000800) 1 drive1 drive$279$279 Amazon →
WD 6TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password … 1 drive1 drive$330$330 Amazon →

Amazon as of 2026-11-05 12:12:41 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change. eBay: new Buy It Now listings from US sellers as of 2026-11-05 UTC, item plus shipping.

Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.

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