For gamers and creators who demand the fastest load times, the WD Black SN850X 2TB Gen4 NVMe SSD is the ultimate Gen4 NVMe SSD for laptops. At Rs. 107,399, this drive delivers blistering 7300 MB/s read speeds, making it one of the fastest M.2 SSDs available in Pakistan. Whether you're in Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, or Sialkot, you can get this upgrade shipped to your door.
WD Black SN850X 2TB NVMe SSD — 7300 MB/s Laptop Upgrade
The WD Black SN850X 2TB NVMe SSD is a PCIe 4.0 x4 M.2 2280 internal drive built for fast game loading, 4K video editing and heavy multitasking. It delivers up to 7300 MB/s sequential read and 6600 MB/s sequential write, with a 1200 TBW endurance rating and a 5-year manufacturer warranty. At N.N Laptops, Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore, this drive costs Rs. 49,500 with a 30-day check warranty and Lahore delivery.
Full specifications
| Brand & Model | WD Black SN850X |
|---|---|
| Capacity | 2TB |
| Interface | PCIe 4.0 x4 (Gen4 NVMe 1.4) |
| Form factor | M.2 2280 (single-sided where applicable) |
| Sequential read | up to 7300 MB/s |
| Sequential write | up to 6600 MB/s |
| Endurance (TBW) | 1200 TBW |
| MTBF | 1.5 million hours |
| Warranty | 5-year manufacturer + 30-day N.N Laptops check |
Performance comparison: SN850X vs. the competition
Against rivals like the Samsung 990 Pro and Seagate FireCuda 530, the SN850X holds its own with top-tier random 4K performance and a strong controller that optimizes game load times. In real-world tests, the SN850X loads Cyberpunk 2077 in under 12 seconds and boots Windows 11 in 8 seconds. For content creators, 4K ProRes footage scrubs without stutter, and large project files open instantly. The WD Black Dashboard software lets you enable Game Mode 2.0 for even lower latency, monitor drive health, and update firmware — all from a simple interface.
Why choose the SN850X for your laptop?
This drive is bench-tested at N.N Laptops to ensure it hits the rated speeds on Gen4 platforms. It's ideal for upgrading laptops like the Acer Predator Helios 300, Dell XPS 15, Lenovo Legion 5, and Asus ROG Zephyrus. If your daily workflow includes heavy multitasking, virtual machines, or large file transfers, the SN850X's 2TB capacity gives you room to store your entire library without reaching for external drives. The drive also includes WD's nCache 4.0 technology for faster burst writes, so copying a 50GB folder takes under a minute.
Thermals and cooling
Like any high-end NVMe drive, the Black SN850X can warm up under sustained heavy writes. In a slim laptop with no built-in M.2 heatsink we recommend running HWiNFO and watching temps the first week — most users see 55-70°C under normal load, which is well within Samsung/Kingston/WD spec. For gaming or constant 4K editing, a thin thermal pad between the drive and the bottom cover helps.
Software and customization
The WD Black Dashboard (free download) gives you full control: enable Game Mode 2.0 for lower latency on game loads, check drive health, update firmware, and even adjust power settings. This software is exclusive to the Black series and sets it apart from budget drives. You can also use the Acronis True Image for WD cloning tool included with the drive to migrate your OS and data.
How to install in your laptop
Installation is straightforward and takes about 10 minutes:
- Power down the laptop and remove the bottom cover (usually 8-12 Phillips screws).
- Locate the M.2 2280 slot — it's a long narrow connector with a single mounting screw at the far end.
- Insert the SSD at a 30° angle, then press it flat and secure with the mounting screw.
- Reassemble and boot. Use Samsung Data Migration / Acronis True Image / Macrium Reflect to clone your existing drive, or install Windows fresh from a USB stick.
If you'd rather not open your laptop yourself, drop it at our shop and we'll install and clone for Rs. 1,500 (free for purchases above Rs. 20,000). We also stock matching RAM upgrades — see /shop/ram.
Where to buy in Pakistan
The WD Black SN850X 2TB NVMe SSD is in stock at Hafeez Center, Gulberg III, Lahore at N.N Laptops for Rs. 49,500 (in-store price) or Rs. 107,399 (online price at nnlaptops.com). We deliver free across Lahore, and nationwide via TCS and Leopards to Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, Sialkot, and all major cities. Delivery is fast: 1-2 working days within Punjab, 2-4 days for other regions. All drives are quality-checked before shipment, and we provide a 30-day replacement warranty for any defects (new stock comes with full manufacturer warranty as well).
Visit our shop at Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore — walk in any day of the week. For live photos, compatibility checks, or to place an order, WhatsApp 0314 4000131. Our team, led by Sayam, will confirm stock and give you a personalized recommendation. Don't hesitate: this drive is popular and sells fast.
Frequently asked questions
Is this compatible with my MacBook Pro 13 2017?
If your laptop has an M.2 2280 NVMe slot (most 2018+ business and gaming laptops), yes. Send us your exact model on WhatsApp 0314 4000131 and we'll confirm before shipment.
Is this Gen3 or Gen4 NVMe?
This drive is Gen4 (PCIe 4.0 x4). It is backwards compatible with older Gen3/Gen2 slots, but you'll only see Gen3 speeds (around 3,500 MB/s) if your laptop's slot is Gen3.
What is TBW and does 1200 TBW matter for me?
TBW means "terabytes written" — the total amount of data you can write to the drive before the warranty ends. 1200 TBW is enough to write the full capacity of this drive every day for several years, which is far more than typical home or business use.
Will my Windows licence transfer if I clone the old drive?
Yes. Windows 10 and 11 licences are tied to your motherboard, not the SSD. After cloning, Windows will reactivate automatically over the internet.
Do you offer installation in Lahore?
Yes — Rs. 1,500 in-shop install with clone, free for purchases above Rs. 20,000. Walk into Shop 66A, Hafeez Center any time during business hours.
