Comparing: TOSHIBA MK6465GSXN vs KIOXIA KBG40ZNS512G
In this comparison, we analyze two Disks: TOSHIBA MK6465GSXN 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.

TOSHIBA MK6465GSXN
Type: | Disks |
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Model: | TOSHIBA MK6465GSXN |
Capacity: | 640GB |
Interface: | SATA-II 3Gbps |

KIOXIA KBG40ZNS512G
Type: | Disks |
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Model: | KIOXIA KBG40ZNS512G |
Capacity: | 512GB |
Interface: | PCIe 3.0 x4 |
Specification Comparison Table
This specification comparison presents technical details of several devices or components to help you understand the key differences between each option. Use this table as a reference to determine which device best suits your needs.
Specification | TOSHIBA MK6465GSXN | KIOXIA KBG40ZNS512G |
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Brand | TOSHIBA | KIOXIA |
Format | HDD 2.5 | SSD M.2 NVMe 2230 |
Capacity | 640GB | 512GB |
Interface | SATA-II 3Gbps | PCIe 3.0 x4 |
Submission Comparison Table
This submission comparison table displays the number and details of benchmark data submissions from various devices or components. This information helps you understand the performance based on the benchmarks that have been tested, as well as providing an overview of the consistency and popularity of the available benchmark results.
No. | Benchmark Software | TOSHIBA MK6465GSXN | KIOXIA KBG40ZNS512G |
---|---|---|---|
1 | CrystalDiskMark |
Read: 92.45 MB/s Write: 86.30 MB/s |
Read: 1930.16 MB/s Write: 1540.12 MB/s |
Submission Comparison Chart
This chart visualizes the benchmark scores comparison between two hardware devices based on submitted data.
Media Gallery
A collection of photos of tested hardware. These images can help you identify the physical form, model, and variant of the hardware in question. These photos are from our own documentation, and if they are not available we may not be able to document them.
About Hardware TOSHIBA MK6465GSXN
The TOSHIBA MK6465GSXN is a thick 2.5-inch hard disk with 640GB of storage capacity, designed to meet the needs of laptops and external storage devices. This HDD uses a SATA II (3.0 Gbps) interface and operates at a rotational speed of 5400 RPM, resulting in a blend of power efficiency and storage capacity large enough for everyday needs.
Equipped with an 8MB cache buffer, the TOSHIBA MK6465GSXN is capable of handling light tasks such as storing documents, multimedia files, and running simple applications. Although its read and write speeds are not as fast as modern SSDs, this HDD is still a reliable and cost-effective storage solution, especially for users of older laptops or HDD-based systems that are still in good working order.
Physically, the drive typically uses two platters and four heads, which is common in mid-capacity HDDs like the 640GB. The drive also performed quite stably in speed testing, using the CrystalDiskMark application, the Hard Drive achieved a sequential read of 92.45 MB/s and a sequential write of 86.30 MB/s, depending on system conditions and data fragmentation.
Tests were conducted using an HP 1000 1b05au Laptop using a DVD Slot (HDD Caddy) and for CrystalDiskMark testing using a Lenovo IdeaPad Slim 3i 14ITL6 Laptop using a USB 3.0 HDD Enclosure, thus reflecting real performance in everyday usage scenarios. With the combination of large capacity and low power consumption, TOSHIBA MK6465GSXN is an ideal choice for users who want large-capacity internal storage without sacrificing power efficiency, such as for data backup, multimedia files, or secondary operating systems.
Device Test:
Device: HP 1000 1b05au (HDD Caddy), IdeaPad Slim 3i 14ITL6 (HDD Enclosure)
Specs: E1-1200, 4GB RAM, SATA-II, Win7 | i5-1135G7, 12GB RAM, USB 3.0
Saturday, 06 June 2020 11:11:25 | Update: 1 month ago
About Hardware KIOXIA KBG40ZNS512G
The KIOXIA KBG40ZNS512G is a 512GB internal SSD specifically designed to deliver high performance in space-constrained devices such as ultrabooks, mini PCs and compact desktops. It utilizes a PCIe Gen3 x4 interface and supports the NVMe 1.3 protocol, which significantly speeds up system boot time, application loading and data transfer compared to conventional SATA SSDs.
With an M.2 2230 form factor, the KBG40ZNS512G offers an ultra-compact storage solution while remaining powerful in terms of performance. Thanks to the use of the latest generation 3D NAND flash memory from KIOXIA (formerly Toshiba Memory), this SSD is not only efficient in power consumption, but also provides the durability and reliability required for long-term use in a variety of modern computing scenarios.
In performance testing using a Dell OptiPlex 5090 Tower system with an Intel Core i7-11700 processor, 32GB of RAM and Windows 10 operating system, the SSD recorded read speeds of 1930.16 MB/s and write speeds of 1540.12 MB/s through CrystalDiskMark. These results show that the KBG40ZNS512G is capable of handling heavy workloads such as multitasking, large file transfers, and daily productivity activities with a fast and stable response.
In addition to great performance, this SSD also excels in power efficiency, making it an ideal choice for laptops and portable devices that prioritize battery life without sacrificing speed.
Overall, the KIOXIA KBG40ZNS512G is a best-in-class 2230 NVMe M.2 storage solution, combining high speed, compact design, and high reliability, making it a perfect fit for users who require superior performance in a space-constrained device.
Device test (testbed):
Device: OptiPlex 5090 Tower
CPU: i7-11700
RAM: 32GB
OS: Windows 10
Thursday, 01 June 2023 02:29:06 | Update: 1 month ago