What’s the difference between the PNY XLR8 CS3040 and CS3140?

PNY recently released a new M.2 NVMe Gen4 x4 internal solid state drive with the CS3140. So, how does the new model compare to the older CS3040?

You can find out in this versus guide.

Quick Summary

When compared to the PNY XLR8 CS3040, the new PNY XLR8 CS3140 is quite a bit faster at maximum sequential reading and maximum sequential writing.

Otherwise, the two solid state drives share the same interface, NAND components, reliability and other features.

XLR8 CS3040 vs. XLR8 CS3140 Comparison Chart

You can check out Seeking Tech’s comparison table between the XLR8 CS3040 and XLR8 CS3140 below.

Capacity Options

The CS3040 comes in three capacity options while the CS3140 is available in two capacities.

You can take a look at the different versions below:

PNY XLR8 CS3040:

• 500 GB
• 1 TB
• 2 TB

PNY XLR8 CS3140:

• 1 TB
• 2 TB

Optional Heatsink

You can also get the XLR8 CS3040 and XLR8 CS3140 with an optional integrated extruded aluminum heatsink.

Model Number

You can check out the model number for each version of the CS3040 and CS3140 below:

PNY XLR8 CS3040 with No Heatsink:

• 500GB: M280CS3040-500-RB
• 1TB: M280CS3040-1TB-RB
• 2TB: M280CS3040-2TB-RB

PNY XLR8 CS3040 with Heatsink:

• 500GB: M280CS3040HS-500-RB
• 1TB: M280CS3040HS-1TB-RB
• 2TB: M280CS3040HS-2TB-RB

PNY XLR8 CS3140 with No Heatsink:

• 1TB: M280CS3140-1TB-RB
• 2TB: M280CS3140-2TB-RB

PNY XLR8 CS3140 with Heatsink:

• 1TB: M280CS3140HS-1TB-RB
• 2TB: M280CS3140HS-2TB-RB

Form Factor

The XLR8 CS3040 and XLR8 CS3140 use the M.2 2280 form factor.

Dimensions

The SSDs are the same when it comes to size.

You can find the measurements, for both the non-heatsink and heatsink-equipped versions, below:

• No Heatsink: 22.0 mm x 80.0 mm x 4.0 mm
• With Heatsink: 22.8 mm x 80.4 mm x 20.5 mm

Weight

The storage drives also weigh the same.

You can check out the weight specifications for the non-heatsink and heatsink-equipped versions of both products below:

• No Heatsink: 6.6 grams
• With Heatsink: 45 grams

Interface

Moreover, the CS3040 and CS3140 utilize the PCIe Gen4 x4 interface.

NAND Components

For NAND components, both of the internal solid state drives in this comparison guide are equipped with 3D Flash Memory.

General Features

The two SSDs in this guide also share the following features:

• AES256 Encryption
• Full End-to-End Data Path Protection
• Low Density Parity Check (LDPC) ECC Algorithm
• RAID (0/1)
• Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T)
• TRIM Performance Optimization (OS Support Required)

Maximum Sequential Read Speed

The PNY XLR8 CS3140 has better maximum sequential reading speeds when compared to the PNY XLR8 CS3040. All capacity options of the CS3140 is 1,900 MB per second faster (or 33.93% faster) than all capacity options of the CS3040.

You can find the max sequential read speed specifications below:

• 500GB XLR8 CS3040: Up to 5,600 MB per second
• 1TB XLR8 CS3040: Up to 5,600 MB per second
• 2TB XLR8 CS3040: Up to 5,600 MB per second

• 1TB XLR8 CS3140: Up to 7,500 MB per second
• 2TB XLR8 CS3140: Up to 7,500 MB per second

Maximum Sequential Write Speed

In general, the PNY XLR8 CS3140 is also faster than the PNY XLR8 CS3040 at maximum sequential writing.

When you compared the same capacity options, the 1TB version of the CS3140 is 1350 MB per second faster (or 31.40% faster) than the 1TB version of the CS3040. The 2TB version of the CS3140 is 2,550 MB per second faster (or 59.30% faster) than the 2TB version of the CS3040.

You can take a look at the max sequential write speed specs below:

• 500GB XLR8 CS3040: Up to 2,600 MB per second
• 1TB XLR8 CS3040: Up to 4,300 MB per second
• 2TB XLR8 CS3040: Up to 4,300 MB per second

• 1TB XLR8 CS3140: Up to 5,650 MB per second
• 2TB XLR8 CS3140: Up to 6,850 MB per second

Operating Temperature

The XLR8 CS3040 and XLR8 CS3040 have the same operating temperature tolerance with a range of 0°C to 70°C.

Storage Temperature

The CS3040 and CS3040 also have the same storage temperature tolerance with a range of -40°C to 85°C.

Certifications

You can take a look at the certifications for the two storage drives below:

PNY XLR8 CS3040:

• BSMI
• CE
• FCC
• KCC
• REACH
• RoHS
• VCCI

PNY XLR8 CS3140:

• BSMI
• CE
• FCC
• REACH
• RoHS
• VCCI

Mean Time Between Failures (MTBF)

The reliability of PNY solid state drives is measured as Mean Time Between Failures (MTBF), which stands for the length of time between two hardware failures. Both of the storage drives in this comparison have an MTBF of 2,000,000 hours.

Warranty

The PNY XLR8 CS3040 M.2 NVMe Gen4 x4 Internal SSD and PNY XLR8 CS3140 M.2 NVMe Gen4 x4 Internal SSD each comes with a 5-year limited warranty.

Resources:

• https://www.pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-3040-sell-sheet.pdf
• https://www.pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdf