Hdd vs Sp Silicon Power Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 13 products.

As of March 2026, Hdd averages $3.6630/GB across 3 products while Sp Silicon Power averages $0.1534/GB across 10 products on BuyPerUnit. Sp Silicon Power offers 96% better value per gigabyte for hard drives & ssds.

Hdd

Avg $/GB$3.6630

Best $/GB$0.2282

Price Range$0.2282 – $10.3308

Products3

Cheapest Product

HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive

500GB · $114.11 · newegg

Sp Silicon Power

Better Value

Avg $/GB$0.1534

Best $/GB$0.0900

Price Range$0.0900 – $0.2304

Products10

Cheapest Product

SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)

4 TB · $359.97 · 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	Sp Silicon Power	SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)	4 TB	$0.0900	$359.97	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
2	Sp Silicon Power	Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC)	2 TB	$0.1100	$219.97	amazon
3	Hdd	HDD For Hard Disk X3650M5 X3850X6 00WG685 00WG686 300G 10K 12GB 2.5' Hard Drive	12GB	$10.3308	$123.97	newegg
3	Sp Silicon Power	Silicon Power 2TB NVMe M.2 PCIe Gen3x4 2280 SSD Solid State Drive (SP002TBP34A60M28)	2 TB	$0.1350	$269.97	amazon
4	Sp Silicon Power	Silicon Power 1TB A55 M.2 SATA M+B Key SSD Internal Solid State Drive 2280 SU001TBSS3A55M28AB	1 TB	$0.1400	$139.97	amazon
5	Sp Silicon Power	SP 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SP001TBSS3A55S25)	1 TB	$0.1440	$143.97	amazon

Which Should You Buy?

Based on current pricing data, Sp Silicon Power offers better overall value for hard drives & ssds at an average of $0.1534/GB compared to Hdd's $3.6630/GB — that's roughly 96% less per gigabyte.

Sp Silicon Power's best deal is the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) (4 TB) at $0.0900/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 Sp Silicon Power cheaper per GB for hard drives & ssds?

As of March 2026, Sp Silicon Power averages $0.1534/GB compared to Hdd at $3.6630/GB. Sp Silicon Power is approximately 96% cheaper per gigabyte on average.

How many Hdd and Sp Silicon Power hard drives & ssds does BuyPerUnit track?

BuyPerUnit currently tracks 3 Hdd products and 10 Sp Silicon Power 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 Sp Silicon Power hard drives & ssd per GB?

The cheapest Sp Silicon Power option is the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) at $0.0900/GB ($359.97 for 4 TB).

Explore More

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