Hdd vs Wd_black Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 4 products.
As of March 2026, Hdd averages $3.6630/GB across 3 products while Wd_black averages $0.1650/GB across 1 products on BuyPerUnit. Wd_black offers 95% better value per gigabyte for hard drives & ssds.
Hdd
Cheapest Product
HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive500GB · $114.11 · newegg
Wd_black
Better ValueCheapest Product
WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN2 TB · $329.99 · amazon
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Hdd | HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive | 500GB | $0.2282 | $114.11 | newegg |
| 1 | Wd_black | WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN | 2 TB | $0.1650 | $329.99 | amazon |
| 2 | Hdd | HDD For Hard Disk 300GB 15K FC 3.5' Hard Drive DS4700 DS5020 42D0417 42D0410 5414 | 300GB | $0.4300 | $129.00 | newegg |
| 3 | Hdd | HDD For Hard Disk X3650M5 X3850X6 00WG685 00WG686 300G 10K 12GB 2.5' Hard Drive | 12GB | $10.3308 | $123.97 | newegg |
Which Should You Buy?
Based on current pricing data, Wd_black offers better overall value for hard drives & ssds at an average of $0.1650/GB compared to Hdd's $3.6630/GB — that's roughly 95% less per gigabyte.
Wd_black's best deal is the WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN (2 TB) at $0.1650/GB, while Hdd's cheapest option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive (500GB) at $0.2282/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is Hdd or Wd_black cheaper per GB for hard drives & ssds?
As of March 2026, Wd_black averages $0.1650/GB compared to Hdd at $3.6630/GB. Wd_black is approximately 95% cheaper per gigabyte on average.
How many Hdd and Wd_black hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 3 Hdd products and 1 Wd_black products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Hdd hard drives & ssd per GB?
The cheapest Hdd option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive at $0.2282/GB ($114.11 for 500GB).
What is the cheapest Wd_black hard drives & ssd per GB?
The cheapest Wd_black option is the WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN at $0.1650/GB ($329.99 for 2 TB).