Comparing: Seagate Momentus ST950032-5AS vs Western Digital PC SN740
In this comparison, we analyze two Disks: Seagate Momentus ST950032-5AS and Western Digital PC SN740, using synthetic benchmark tests to evaluate their overall performance. This side-by-side comparison helps users understand which hardware delivers better value, speed, and efficiency based on standardized testing. Whether you're building a new system or upgrading an existing one, this benchmark-driven evaluation offers valuable insights to guide your decision.

Seagate Momentus ST950032-5AS
Type: | Disks |
---|---|
Model: | Seagate ST950032-5AS |
Capacity: | 500GB |
Interface: | SATA-II 3Gbps |

Western Digital PC SN740
Type: | Disks |
---|---|
Model: | PC SN740 |
Capacity: | 512GB |
Interface: | PCIe 4.0 x4 |
Specification Comparison Table
Specification | Seagate Momentus ST950032-5AS | Western Digital PC SN740 |
---|---|---|
Brand | Seagate | Western Digital |
Format | HDD 2.5 | SSD M.2 NVMe 2280 |
Capacity | 500GB | 512GB |
Interface | SATA-II 3Gbps | PCIe 4.0 x4 |
Submission Comparison Table
Benchmark Software | Seagate Momentus ST950032-5AS | Western Digital PC SN740 |
---|---|---|
ATTO Disk Benchmark - 64M |
Read: 67.46 MB/s Write: 69.85 MB/s |
Read: 4720.00 MB/s Write: 3670.00 MB/s |
CrystalDiskMark |
Read: 58.09 MB/s Write: 62.91 MB/s |
Read: 3913.58 MB/s Write: 3453.18 MB/s |
About Hardware Seagate Momentus ST950032-5AS
The Seagate ST9500325AS is a 500GB hard disk with a 2.5-inch form factor, designed for laptops and portable devices. It uses a 3Gbps SATA interface and has a rotation speed of 5400 RPM, which provides a balance between low power consumption and sufficient performance for everyday tasks.
With an 8MB buffer cache, this HDD is able to handle data storage needs well, although its read/write speeds are not as fast as modern SSDs. This HDD is suitable for users who need large storage capacity at a more economical price compared to SSDs.
Thursday, 24 November 2022 09:14:30 | Update: 1 month ago
About Hardware Western Digital PC SN740
The Western Digital PC SN740 is a high-performance NVMe SSD designed for ultrabooks, business laptops, and compact computing devices. Featuring the PCIe Gen4 x4 interface and NVMe 1.4 protocol, this SSD delivers blazing-fast speeds for seamless multitasking and data-intensive applications.
Available in various capacities, including 256GB, 512GB, 1TB, and 2TB, the SN740 is built using Western Digital's 3D NAND technology, ensuring excellent power efficiency, reliability, and endurance. Its M.2 2230 and M.2 2280 form factors make it compatible with a wide range of modern devices, particularly those requiring a compact yet powerful storage solution.
With enhanced security features and power efficiency optimizations, the WD PC SN740 is an excellent choice for professionals and tech enthusiasts looking for a balance of speed, durability, and energy efficiency.
In this test, it runs on PCIe 3.0 x4 because the laptop which by default uses PC SN740 turns out to run PCIe 3.0 x4.
Tuesday, 15 August 2023 13:16:33 | Update: 1 month ago