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Why upgrade to the WD_Black SN770 NVMe SSD

The WD_Black SN770 enters the NVMe Gen4 SSD market featuring an in-house SanDisk controller with capacities of up to 2TB. Will this be worth the upgrade? Let’s find out.

Wd Black Sn770 1Tb

Table of Contents

Product Specifications

Product250 GB 500 GB 1TB2TB
Sequential Read4,000 MB/s5,000 MB/s5,150 MB/s5,150 MB/s
Sequential Write2,000 MB/s4,000 MB/s4,900 MB/s4,850
Endurance (TBW)200 TB300TB600 TB1,200 TB
Warranty5-Years5-Years5-Years5-Years
PricePHP 3,080PHP 4,580PHP 8,330PHP 20,620

Affordable DRAM-less PCIe Gen4 Adoption

The WD_Black SN770 NVMe SSD is a DRAM-less drive that is meant for general use which includes gaming, heavy application use, and of course, fast OS boot-ups. With the trickle-down of features, the PCIe Gen4 adoption, and motherboard support in the mainstream, Western Digital ensures that this particular release is an affordable option to transition with, even on laptops! With this, it is quite a no-brainer that the WD_Black SN770 NVMe SSD should be on the list when upgrading to a PCIe 4.0. With the DRAM-less design of the WD_Black SN770 NVMe SSD, this NVMe resorts to host memory buffer which means that it primarily utilizes the device’s RAM as the primary cache. The controller is a proprietary Sandisk design with a NAND 112-layer TLC. A downside to the HMB is that consumers won’t be able to purchase this for their Sony PlayStation 5 since it does not support HMB.

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Speedy Sequential Performance

Speed is one of the primary options why users upgrade to a PCIe NVMe SSD. In terms of performance, the WD_Black SN770 NVMe SSD 1TB promises a sequential read speed of up to 5,150 MB/s for the 1TB and 2TB models, while the write speeds are expected to reach up to 4,900MB/s for the higher variants giving about 40 and 60 percent more than its predecessor, the SN750SE model. Being an entry-level PCIe Gen 4, it is one of the most affordable options for conservative upgrades to any PC or laptop with reads of above 5,000 MB/s and writes of over 4,500 MB/s.

Crystal Disk Mark 7

Comparing its rated speeds, the WD_Black SN770 NVMe SSD 1TB delivers above or close to its promised speeds garnering 5,223 MB/s sequential reads and 4986.80 MB/s sequential writes.

Wd Black Sn770

The WD_Black SN770 NVMe SSD delivers solid sequential performances across most block sizes.

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DiskBench

We used the DiskBench storage benchmarking tool to test file creation speeds with a  custom 50GB dataset and then followed it up with batch file transfers and Copy Directory benchmarks.

Diskbench Create File

Realme Philippines

In the first run, it garnered 660 MB/s in file creation which is an above-par performance as compared to other SSDs in the market considering this is an entry-level SSD for the PCIe 4.0 market.

Diskbench Batchfile Transfers

As for the file transfers, we see a consistent 400+ MB/s transfer across different file tests with different block sizes.

Copy Directory

Lastly, the Copy Directory gave us a transfer rate speed of 149.772 MB/s transferring 702 GB worth of files ranging from 5GB to 2GB.

User-friendly WD_Black SN770 NVMe SSD Dashboard

To top it all off, another reason to upgrade to the WD_Black SN770 NVMe SSD is thanks to its user-friendly Western Digital SSD Dashboard. This software automatically detects WD_Black SN770 NVMe SSDs and enables the dark mode theme within the application. The software allows the monitoring of SSD capacity usage, remaining endurance, and even real-time performance. Further, the software allows to update firmware and enable Game Mode too. Game Mode improves the WD_Black SN770 NVMe SSD‘s performance by reducing latency through the disabled transition of lower power states.

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Wd Black Sn770 Dashboard

 

Conclusion

We recommend upgrading to the WD_Black SN770 NVMe SSD mainly because of the affordable DRAM-less solution that provides speedy performance, and the support for Game Mode that lowers latency by disabling transitions to lower power states. So, if an upgrade to your PC has support for the PCIe Gen 4, it is almost already a given that the WD_Black SN770 NVMe SSD should be on that list of upgrades. The WD_Black SN770 NVMe SSD is the latest addition to the company’s m.2 Gen4 SSDs, and though the market is targeted mostly at gamers, it is definitely a must-buy for cost-effective builds that require a top-performing SSD but at an entry-level standpoint. These SSDs are available from 250GB to 2TB with the new drives offering a rating of 1,750,000 hours of mean time between failures.

Wd Black Sn770 (2)

With WD_Black SN770 NVMe SSD‘s DRAM-less design, the performance wasn’t far from what was expected and wasn’t much of a letdown considering that this indeed is an entry-level PCIe 4.0 NVMe. This SSD is meant for those who do not want to be overwhelmed by expensive choices and for gamers looking to upgrade their systems to the new Gen4 specification.

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