Samsung vs Kingston Nvme SSDs: Which Brand Fits You?
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This samsung vs kingston nvme SSD comparison clarifies a common confusion. Both drives are actually SATA models, not NVMe. They share the 2.5-inch form factor and SATA III interface. The main difference lies in performance and capacity options. Samsung offers higher sequential speeds and hardware encryption. Kingston provides a lighter build and lower entry capacity. You need to check your motherboard support for either option.
Key differences
| Aspect | Samsung 860 EVO 500GB SATA SSD | Kingston A400 480GB 2.5-Inch SATA SSD |
|---|---|---|
| Max Read Speed | 550MB/s | 500MB/s |
| Max Write Speed | 520MB/s | 450MB/s |
| Security | AES 256-bit hardware encryption | Not listed |
| Warranty | 5-year limited warranty | Not listed |
| Weight | 1.76 ounces | 1.44 ounces |
Which one should you choose?
Choose Samsung 860 EVO 500GB SATA SSD if
- You need the highest sequential read and write speeds available in this SATA class.
- You require hardware-based AES 256-bit encryption for data security.
- You want a drive with a clearly stated 5-year limited warranty.
Choose Kingston A400 480GB 2.5-Inch SATA SSD if
- You are building a system where every ounce of weight matters.
- You need smaller capacity options like 120GB or 240GB.
- You prefer a drive that operates within a 0°C to 70°C temperature range.
Verdict: Choose the Samsung 860 EVO if you prioritize speed, security features, and a longer warranty period. Select the Kingston A400 if you need lighter weight or smaller capacity tiers. Both drives serve as reliable SATA upgrades for standard systems.
Samsung vs Kingston SATA Specs
Transfer Speeds
Samsung leads in raw throughput. The 860 EVO reaches 550MB/s read and 520MB/s write speeds. Kingston’s A400 offers 500MB/s read and 450MB/s write. Both use SATA III, capping potential at 6Gb/s. Samsung’s V-NAND technology helps sustain higher performance levels. Kingston relies on standard NAND for its budget tier. The difference matters for large file moves. You will notice faster rendering or loading with Samsung. Kingston is sufficient for basic tasks. The speed gap is clear and measurable. Samsung wins this category by a small margin.
Storage Capacity
Samsung provides a wider range of options. The 860 EVO starts at 250GB and goes up to 4TB. Kingston’s A400 ranges from 120GB to 960GB. The base models are close, with Samsung at 500GB and Kingston at 480GB. If you need massive storage, Samsung is the only choice with its 4TB variant. Kingston stops at under 1TB. For most users, 500GB is plenty. The difference in base capacity is negligible. Samsung offers more flexibility for future upgrades. Kingston fits standard mid-range needs well.
Data Security
Samsung includes hardware-based security features. The 860 EVO supports AES 256-bit encryption. It is compliant with TCG Opal and IEEE 1670 standards. This protects your data at the hardware level. Kingston does not list specific encryption standards in its features. The A400 focuses on speed and reliability. It lacks mentioned security protocols. If you handle sensitive files, Samsung is safer. The encryption works without software overhead. Kingston relies on software solutions if needed. Samsung provides better built-in protection for privacy.
Form Factor Fit
Both drives use the standard 2.5-inch form factor. They share the same 7mm height. This makes them compatible with most laptops and desktops. Kingston explicitly mentions fitting slimmer notebooks. Samsung also lists 7mm thickness. Physical dimensions are nearly identical. Samsung measures 3.94 x 2.76 x 0.27 inches. Kingston measures 3.94 x 2.75 x 0.28 inches. The difference is less than a millimeter. You can swap them in any standard bay. Neither has an advantage in physical size. They are interchangeable for most builds.
Reliability Metrics
Samsung publishes specific reliability data. The 860 EVO has an MTBF of 1.5 million hours. This indicates strong endurance for daily use. Kingston does not list an MTBF value. It mentions being more reliable than a hard drive. The operating temperature for Kingston is 0°C to 70°C. Samsung does not list temp ranges in the data. Without MTBF, Kingston’s endurance is unclear. Samsung’s metric gives you confidence in longevity. The 1.5 million hours is a solid benchmark. Samsung wins on documented reliability stats.
Choose the right SSD for your needs
Users needing max SATA speed and capacity
The Samsung 860 EVO offers higher sequential read and write speeds of 550MB/s and 520MB/s compared to the Kingston A400. It also provides larger capacity options up to 4TB. The 5-year limited warranty and hardware-based AES 256-bit encryption add security and long-term reliability for demanding tasks.
Budget-conscious buyers upgrading older systems
The Kingston A400 provides solid SATA III performance with 500MB/s read and 450MB/s write speeds. Its 7-millimeter form factor fits easily into slimmer notebooks and systems with limited space. It serves as a reliable HDD replacement for everyday computing tasks without requiring advanced features.
Those prioritizing data security and longevity
Samsung includes AES 256-bit hardware-based encryption compliant with TCG Opal and IEEE 1670 standards. The drive boasts a Mean Time Between Failures (MTBF) of 1.5 million hours and a 5-year warranty. These specs offer stronger data protection and durability compared to the Kingston model.
The products compared
Samsung 860 EVO 500GB SATA SSD
Best for: upgrading older SATA-compatible computers
- Storage Capacity
- 500GB
- Interface
- SATA III
- Form Factor
- 2.5 Inch
- Max Read Speed
- 550MB/s
- Max Write Speed
- 520MB/s
- Dimensions
- 3.94 × 2.76 × 0.27 inches
View on Amazon: Samsung 860 EVO 500GB SATA SSD Affiliate link
The Samsung 860 EVO 500GB is a 2.5-inch SATA III drive built for reliable everyday computing. It delivers sequential read speeds up to 550MB/s and write speeds up to 520MB/s. You get AES 256-bit hardware encryption for data security. The drive includes a 5-year limited warranty and supports a wide range of operating systems. It fits standard desktop and laptop bays.
Pros
- Sequential read speeds up to 550MB/s
- AES 256-bit hardware encryption
- 5-year limited warranty
- 2.5-inch form factor
Cons
- SATA III interface limits speed compared to NVMe
- 500GB capacity is modest for large media libraries
- No included mounting screws or brackets
Good fit if
- You need a reliable upgrade for a 2.5-inch drive bay
- You want hardware encryption for sensitive data
- You prefer a drive with a 5-year warranty
Skip if
- You require NVMe speeds for heavy workloads
- You need more than 500GB of storage
- You are building a modern M.2-only system
Verdict: Samsung 860 EVO 500GB SATA SSD offers steady SATA speeds and strong security for users upgrading older systems. It suits those who prioritize data protection and warranty coverage over raw throughput.
Kingston A400 480GB 2.5-Inch SATA SSD
Best for: Budget upgrades for older laptops and desktops
- Storage Capacity
- 480GB
- Interface
- SATA Rev. 3.0 (6Gb/s)
- Form Factor
- 2.5"
- Max Read Speed
- 500MB/s
- Max Write Speed
- 450MB/s
- Dimensions
- 3.94 × 0.28 × 2.75 inches
View on Amazon: Kingston A400 480GB 2.5-Inch SATA SSD Affiliate link
The Kingston A400 is a 2.5-inch SATA III internal SSD designed to replace hard drives. It offers 480GB of storage with read speeds up to 500MB/s and write speeds up to 450MB/s. The 7mm form factor fits slimmer notebooks and systems with limited space. It provides reliable performance for everyday computing tasks and faster file transfers compared to mechanical drives.
Pros
- SATA Rev. 3.0 interface for 6Gb/s data transfer
- 500MB/s maximum read speed
- 450MB/s maximum write speed
- 7mm thickness fits slim laptops
Cons
- SATA III interface limits speed compared to NVMe drives
- 480GB capacity is smaller than modern high-capacity options
- No DRAM cache for sustained heavy workloads
Good fit if
- You need a reliable upgrade for an older laptop or desktop
- You want faster boot times and application loading than a hard drive
- You have a system with a 2.5-inch drive bay
Skip if
- You require the highest possible data transfer speeds
- You need more than 480GB of storage space
- You are building a new high-performance gaming PC
Verdict: Kingston A400 480GB SATA SSD is a solid entry-level upgrade for users replacing slow hard drives in existing systems. It suits those prioritizing basic speed improvements and compatibility over cutting-edge performance.
Specifications side by side
| Spec | Samsung 860 EVO 500GB SATA SSD | Kingston A400 480GB 2.5-Inch SATA SSD |
|---|---|---|
| Storage Capacity | 500GB | 480GB |
| Interface | SATA III | SATA Rev. 3.0 (6Gb/s) |
| Form Factor | 2.5 Inch | 2.5" |
| Max Read Speed | 550MB/s | 500MB/s |
| Max Write Speed | 520MB/s | 450MB/s |
| Size | 500GB | 480 GB |
| Dimensions | 3.94 × 2.76 × 0.27 inches | 3.94 × 0.28 × 2.75 inches |
| Weight | 1.76 ounces | 1.44 ounces |
| Color | Black | Black |
| Model | MZ-76E500B/AM | SA400S37/480G |
Frequently asked questions
Are Samsung and Kingston NVMe SSDs compatible with my laptop?
The listed models are SATA drives, not NVMe. Both use the 2.5-inch form factor and SATA III interface. This makes them compatible with older laptops and desktops that lack M.2 slots. You should check your motherboard specs to confirm it supports SATA connections before purchasing either drive.
Which brand offers better performance for everyday tasks?
Samsung provides higher sequential speeds in this comparison. The 860 EVO reaches 550MB/s read and 520MB/s write. Kingston’s A400 offers 500MB/s read and 450MB/s write. Both exceed standard hard drive speeds, but Samsung delivers a noticeable edge in raw throughput for data-heavy workflows.
Can I use these drives for gaming?
Yes, both models improve game load times significantly over mechanical drives. The Samsung 860 EVO offers larger capacity options up to 4TB, which helps store extensive game libraries. Kingston’s A400 is suitable for basic upgrades but provides less storage headroom for large modern titles compared to Samsung’s top tiers.
What is the difference in physical size between these SSDs?
Both drives share the standard 2.5-inch form factor. Their dimensions are nearly identical, measuring approximately 3.94 inches in length and 2.76 inches in width. The Samsung 860 EVO weighs 1.76 ounces, while the Kingston A400 is slightly lighter at 1.44 ounces. Both fit easily into standard drive bays.
Is Samsung better for data security?
Samsung emphasizes strong security features in its drives. The 860 EVO includes hardware-based encryption to protect your data. Kingston’s A400 focuses on basic speed improvements and compatibility. If data protection is a priority for your work or personal files, Samsung’s approach offers more robust safeguards than the entry-level Kingston option.
Which SSD is better for upgrading an old desktop?
Both are ideal for older systems using SATA connections. The Kingston A400 is a solid entry-level choice for budget upgrades. The Samsung 860 EVO is better if you want higher sustained performance and better warranty coverage. Choose Kingston for basic speed boosts or Samsung for long-term reliability and faster transfers.

