WD Black SN770 500GB NVMe Gen4
500GB NVME GEN 4 SSD, 5000 MB/s read, DRAM-less (HMB).
Budget 500GB NVMe. DRAMless but fast. Good boot drive for budget builds. SLC cache handles daily use.
Official India stock. Full warranty through the brand's India service network, standard RMA if anything goes wrong.
Full specs
Motherboards with M.2 slots
WD Black SN770 500GB NVMe Gen4 SSD India Price Review 2025
WD Black SN770 500GB NVMe Gen4 SSD - India Buyer's Guide
The WD Black SN770 500GB is WD's mid-range Gen4 NVMe drive in a small capacity. It is a competent drive, but the 500GB form factor limits how useful it can be for most Indian PC builds. Let me walk through what it does well and where it falls short.
What You Are Getting
The SN770 uses WD's in-house NVMe controller with TLC NAND - no DRAM cache, but HMB (Host Memory Buffer) support means it borrows a slice of your system RAM as a buffer. TLC is a better grade than QLC - more endurance, more consistent performance under sustained writes.
Rated sequential speeds: 5,000 MB/s read, 4,000 MB/s write. At 500GB these are reasonable figures, though sustained write performance beyond the SLC cache window will step down. The SLC cache on the 500GB is proportionally smaller than on the 1TB or 2TB, so cache exhaustion happens sooner during large file transfers.
The WD SN770 500GB is faster than the Crucial P3 Plus 500GB in this capacity - TLC over QLC makes a real difference in cache-busted scenarios.
Sequential Speed Comparison
India Pricing (May 2025)
The WD Black SN770 500GB sits at ₹3,500–₹5,500 across Indian retailers:
- MDComputers - typically well-stocked, competitive pricing
- PrimeABGB - standard pricing, worth comparing
- Vedant Computers - reliable availability
- Amazon India / Flipkart - prices fluctuate; check during sale events
WD distribution in India is handled by Acro Engineering. Warranty claims go through them.
The 500GB Problem
The honest limitation here is capacity. 500GB sounds decent, but in practice:
- Windows 11 + essential apps: 60–80GB
- A few modern games: 200–300GB
- You are full within months
The WD SN770 1TB is usually ₹1,500–₹2,500 more expensive and gives you double the storage, larger SLC cache, and better price per GB. The 1TB is almost always the right call unless you are building a system where the 500GB serves as a secondary fast drive or OS-only drive alongside a mechanical HDD or large SATA SSD.
Where the 500GB SN770 Makes Sense
- Dedicated OS + applications drive in a dual-drive build
- Secondary high-speed drive for scratch files or frequent access content
- Upgrading a laptop with limited space and you already have a large drive
Endurance: 300 TBW on the 500GB. 5-year warranty.
Questions
The SN770 uses TLC NAND, the P3 Plus uses QLC. At 500GB, TLC gives better sustained write endurance and less performance degradation outside the SLC cache. The SN770 is the better choice at similar price points.
A heatsink or at minimum a thermal pad is advisable in Indian summers if the drive is working hard. A basic M.2 heatsink costs ₹200–₹500 and is worth adding.
The PS5 M.2 slot works with the SN770 500GB, but 500GB is genuinely insufficient for PS5 storage expansion given game sizes. The 1TB or 2TB variant is strongly preferred for PS5.