Cms vs External Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 4 products.
As of March 2026, Cms averages $0.1009/GB across 3 products while External averages $0.0281/GB across 1 products on BuyPerUnit. External offers 72% better value per gigabyte for hard drives & ssds.
Cms
Cheapest Product
CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65512GB · $45.50 · newegg
External
Better ValueCheapest Product
External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R1TB · $28.11 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Cms | CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65 | 512GB | $0.0889 | $45.50 | newegg |
| 1 | External | External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R | 1TB | $0.0281 | $28.11 | newegg |
| 2 | Cms | CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Latitude Latitude 14 (E7450), Latitude 14 Rugged Extreme (7404), Latitude 7000... | 512GB | $0.0889 | $45.50 | newegg |
| 3 | Cms | CMS 1TB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Lenovo IdeaPad Yoga 13, Yoga 11s - D96 | 1TB | $0.1250 | $125.00 | newegg |
Which Should You Buy?
Based on current pricing data, External offers better overall value for hard drives & ssds at an average of $0.0281/GB compared to Cms's $0.1009/GB — that's roughly 72% less per gigabyte.
External's best deal is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R (1TB) at $0.0281/GB, while Cms's cheapest option is the CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65 (512GB) at $0.0889/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 Cms or External cheaper per GB for hard drives & ssds?
As of March 2026, External averages $0.0281/GB compared to Cms at $0.1009/GB. External is approximately 72% cheaper per gigabyte on average.
How many Cms and External hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 3 Cms products and 1 External products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Cms hard drives & ssd per GB?
The cheapest Cms option is the CMS 512GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Inspiron 14 (5447), Inspiron 15 (5547), Inspiron 15 (7537) - C65 at $0.0889/GB ($45.50 for 512GB).
What is the cheapest External hard drives & ssd per GB?
The cheapest External option is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281/GB ($28.11 for 1TB).