Comparing: Seagate Momentus Thin ST320LT012-9WS14C vs KIOXIA KBG40ZNS512G
In this comparison, we analyze two Disks: Seagate Momentus Thin ST320LT012-9WS14C and KIOXIA KBG40ZNS512G, 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 Thin ST320LT012-9WS14C
Type: | Disks |
---|---|
Model: | Seagate ST320LT012-9WS14C |
Capacity: | 320GB |
Interface: | SATA-II 3Gbps |

KIOXIA KBG40ZNS512G
Type: | Disks |
---|---|
Model: | KIOXIA KBG40ZNS512G |
Capacity: | 512GB |
Interface: | PCIe 3.0 x4 |
Specification Comparison Table
Specification | Seagate Momentus Thin ST320LT012-9WS14C | KIOXIA KBG40ZNS512G |
---|---|---|
Brand | Seagate | KIOXIA |
Format | HDD 2.5 | SSD M.2 NVMe 2230 |
Capacity | 320GB | 512GB |
Interface | SATA-II 3Gbps | PCIe 3.0 x4 |
Submission Comparison Table
Benchmark Software | Seagate Momentus Thin ST320LT012-9WS14C | KIOXIA KBG40ZNS512G |
---|---|---|
CrystalDiskMark |
Read: 84.67 MB/s Write: 83.84 MB/s |
Read: 1930.16 MB/s Write: 1540.12 MB/s |
About Hardware Seagate Momentus Thin ST320LT012-9WS14C
The Seagate ST320LT012-9WS14C is a 320GB capacity 2.5-inch HDD designed for laptops and other portable devices. Using a 3Gbps SATA interface, this HDD has a rotation speed of 5400 RPM, which is more power-efficient than HDDs with higher speeds.
It comes with 8MB of cache, providing sufficient performance for everyday use such as document storage, multimedia, and light applications. Despite its limited capacity, this HDD is still a reliable choice for systems that require HDD-based storage.
Wednesday, 26 December 2012 14:27:32 | Update: 1 month ago
About Hardware KIOXIA KBG40ZNS512G
The KIOXIA KBG40ZNS512G is a 512GB NVMe SSD designed for high-performance computing in ultrabooks, compact desktops, and other space-constrained devices. Utilizing the PCIe Gen3 x4 interface and NVMe 1.3 protocol, it delivers significantly faster read and write speeds compared to traditional SATA SSDs, ensuring quick system boot-ups and efficient data transfers.
With a compact M.2 2230 form factor, this SSD is ideal for devices requiring high-speed storage in a small footprint. Built with KIOXIA’s advanced 3D NAND flash memory, the KBG40ZNS512G offers reliability, power efficiency, and enhanced durability, making it a solid choice for users seeking a balance between performance and energy consumption.
Thursday, 01 June 2023 02:29:06 | Update: 1 month ago