For vs Sp Silicon Power Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 16 products.

As of March 2026, For averages $1.4619/GB across 6 products while Sp Silicon Power averages $0.1528/GB across 10 products on BuyPerUnit. Sp Silicon Power offers 90% better value per gigabyte for hard drives & ssds.

For

Avg $/GB$1.4619

Best $/GB$0.0687

Price Range$0.0687 – $7.5567

Products6

Cheapest Product

FOR ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033 55FX5

2TB · $137.32 · newegg

Sp Silicon Power

Better Value

Avg $/GB$0.1528

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	For	FOR ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033 55FX5	2TB	$0.0687	$137.32	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	For	for 1pc ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033 55FX5	2TB	$0.1050	$210.00	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	For	for 1pc Suitable for 1pc ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033	2TB	$0.1360	$272.00	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	For	For 656108-001 655710-B21 7.2K 1T SATA 2.5'' Hard Drive 1TB	1TB	$0.1368	$136.77	newegg
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	For	FOR DPWC300 SSD PCIE Adapter Card 2 Slot M.2 0NTRCY 023PX6 + 512GB m.2 NVME SSD	512GB	$0.7682	$393.30	newegg
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 $0.1528/GB compared to For's $1.4619/GB — that's roughly 90% 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 For's cheapest option is the FOR ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033 55FX5 (2TB) at $0.0687/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 For or Sp Silicon Power cheaper per GB for hard drives & ssds?

As of March 2026, Sp Silicon Power averages $0.1528/GB compared to For at $1.4619/GB. Sp Silicon Power is approximately 90% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 6 For products and 10 Sp Silicon Power products in the hard drives & ssds category, all ranked by price per gigabyte.

What is the cheapest For hard drives & ssd per GB?

The cheapest For option is the FOR ES.3 2TB Hard Drive SATA 6Gbps 7.2k 3.5 ST2000NM0033 55FX5 at $0.0687/GB ($137.32 for 2TB).

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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