Samsung vs ADATA Nvme SSDs: Which Brand Fits You?
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When you compare samsung vs ADATA nvme SSD options, you are looking at two reputable brands offering 2.5-inch SATA drives. Both units use the SATA III interface and share similar sequential write speeds of 520 MB/s. The main difference lies in their storage capacity and NAND technology. Samsung offers a 500GB model with V-NAND, while ADATA provides a 1TB drive using 3D NAND. You need to decide which capacity and architecture best fit your storage needs.
Key differences
| Aspect | Samsung 860 EVO 500GB SATA SSD | ADATA SU800 1TB 2.5-Inch SATA SSD |
|---|---|---|
| Storage Capacity | 500GB | 1TB |
| NAND Technology | V-NAND | 3D NAND |
| Max Read Speed | 550MB/s | 560 MB/s |
| DRAM Cache | not listed | DRAM Cache Buffer |
| Warranty | 5-year limited | 3 Year |
Which one should you choose?
Choose Samsung 860 EVO 500GB SATA SSD if
- You prefer a longer 5-year warranty period for peace of mind.
- You need a drive that explicitly supports AES 256-bit hardware encryption.
- You are satisfied with 500GB of storage space for everyday tasks.
Choose ADATA SU800 1TB 2.5-Inch SATA SSD if
- You require double the storage capacity with 1TB available.
- You want the benefit of a dedicated DRAM cache buffer for sustained performance.
- You prioritize the highest listed sequential read speed of 560 MB/s.
Verdict: Choose the Samsung 860 EVO if you value a longer warranty and built-in hardware encryption for your 500GB needs. Pick the ADATA SU800 if you need 1TB of space and want the performance boost from a DRAM cache. Both drives offer reliable SATA III speeds for standard computing tasks.
Samsung vs ADATA SSD Specs
Storage capacity
The Samsung 860 EVO model listed here offers 500GB of storage. This capacity is suitable for operating systems and essential applications. The ADATA SU800 provides 1TB of space. This double the amount allows for larger game libraries and more media files. Both brands offer variations in size. Samsung includes options up to 4TB. ADATA lists capacities up to 2TB. If you need more room for data, the ADATA unit gives you twice the space in this specific comparison. You should check the full lineup if you need even larger capacities from either brand.
NAND technology
The ADATA SU800 explicitly uses 3D NAND technology. This structure stacks memory cells vertically to increase density and efficiency. The Samsung 860 EVO description highlights V-NAND technology. Samsung uses this term for its vertical NAND architecture. Both approaches aim to improve performance and endurance over older planar NAND. The ADATA listing clearly states the 3D structure in its features. Samsung implies it through the V-NAND name. For buyers who prioritize confirmed 3D layering in the specs, the ADATA description is more direct. Both represent modern storage architectures.
Read speed
Sequential read speed affects how fast you load games or open large files. The ADATA SU800 reaches up to 560 MB/s. The Samsung 860 EVO reaches up to 550 MB/s. The ADATA drive is slightly faster in this metric. The difference is 10 MB/s. In everyday use, this gap is often negligible. Both speeds are near the maximum limit of the SATA III interface. You will notice fast boot times and quick file transfers with either drive. The ADATA unit holds a minor technical advantage on paper for maximum throughput.
Cache and performance
The ADATA SU800 includes a DRAM cache buffer and Dynamic SLC Caching. A DRAM cache helps manage data mapping, improving sustained performance during heavy writes. The Samsung 860 EVO features do not mention a DRAM cache in the provided data. It relies on other optimization methods. The presence of dedicated DRAM in the ADATA drive can help maintain speed when filling the drive. This is useful for large file transfers. The Samsung drive may throttle faster under sustained load without this specific buffer. The ADATA specifications highlight this performance feature more clearly.
Data security
The Samsung 860 EVO includes AES 256-bit hardware-based encryption. It is compliant with TCG Opal and IEEE 1670 standards. This protects your data against unauthorized access. The ADATA SU800 listing does not mention encryption features in the provided data. It highlights RAID Engine and Data Shaping for protection, which likely refers to error correction or data integrity rather than user encryption. If you need built-in hardware encryption for sensitive files, the Samsung drive is the clear choice. The ADATA drive focuses on data reliability through other means.
Which SSD fits your storage needs
Users needing large game and media libraries
The ADATA SU800 offers 1TB of storage. This double the capacity of the Samsung 500GB model allows you to store more games, videos, and files. Both drives share the same 520 MB/s write speed, so you get ample space without sacrificing sequential performance for everyday tasks.
Those prioritizing long-term data security
The Samsung 860 EVO includes AES 256-bit hardware encryption. It complies with TCG Opal and IEEE 1670 standards. This feature helps protect your sensitive data from unauthorized access. The ADATA drive does not list this specific encryption compliance in its published specifications, making Samsung the safer choice for secure storage.
Buyers seeking extended manufacturer warranty coverage
The Samsung 860 EVO comes with a 5-year limited warranty. This is longer than the 3-year warranty provided by the ADATA SU800. If you plan to keep this drive for many years, the extended coverage offers more peace of mind regarding the longevity and reliability of your storage investment.
The products compared
Samsung 860 EVO 500GB SATA SSD
Best for: Standard SATA upgrades for laptops and desktops
- 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 internal SSD. It offers sequential read speeds up to 550MB/s and write speeds up to 520MB/s. The drive uses Samsung V-NAND technology for reliable performance with large files. It includes AES 256-bit hardware encryption. This model suits users needing a dependable upgrade for older systems or laptops with standard drive bays.
Pros
- Sequential read speeds reach 550MB/s
- Sequential write speeds reach 520MB/s
- AES 256-bit hardware encryption included
- 5-year limited warranty coverage
Cons
- SATA III interface limits speed compared to NVMe options
- 500GB capacity is smaller than higher-tier models
- 2.5-inch form factor requires specific mounting space
Good fit if
- You need a reliable SATA drive for a desktop or laptop
- You want hardware encryption for data security
- You prefer established V-NAND technology for stability
Skip if
- You require NVMe speeds for heavy workloads
- You need more than 500GB of storage
- You are building a modern system with M.2 slots only
Verdict: Samsung 860 EVO 500GB SATA SSD is a solid choice for users upgrading older hardware with standard 2.5-inch bays. It delivers consistent SATA speeds and strong security features for everyday computing tasks.
ADATA SU800 1TB 2.5-Inch SATA SSD
Best for: Upgrading older laptops or desktops with SATA bays
- Storage Capacity
- 1TB
- Interface
- SATA III
- Form Factor
- 2.5 Inch
- Max Read Speed
- 560 MB/s
- Max Write Speed
- 520 MB/s
- NAND Type
- 3D NAND
View on Amazon: ADATA SU800 1TB 2.5-Inch SATA SSD Affiliate link
The ADATA Ultimate SU800 is a 2.5-inch SATA III drive using 3D NAND technology. It offers sequential read speeds up to 560 MB/s and write speeds up to 520 MB/s. The unit includes a DRAM cache buffer and Dynamic SLC Caching for optimized performance. It weighs 1.6 ounces and comes with a 3-year warranty. This drive suits users needing reliable storage for standard desktops or laptops.
Pros
- Uses new generation 3D NAND technology
- Sequential read speeds up to 560 MB/s
- Includes DRAM Cache Buffer for performance
- Dynamic SLC Caching for optimized writes
Cons
- SATA III interface limits speeds below NVMe standards
- 2.5-inch form factor is bulkier than M.2 drives
- No M.2 version listed in this specific variation
Good fit if
- You need a standard 2.5-inch SATA drive for a laptop or desktop
- You want 3D NAND technology for better endurance
- You prefer a drive with a DRAM cache for consistent performance
Skip if
- You require the high speeds of an NVMe PCIe drive
- You need an M.2 form factor to save space
- You are building a modern thin laptop with no 2.5-inch bay
Verdict: The ADATA Ultimate SU800 1TB SATA SSD delivers solid SATA III performance with 3D NAND and a DRAM cache. It is a practical upgrade for older systems that still rely on 2.5-inch drive bays.
Specifications side by side
| Spec | Samsung 860 EVO 500GB SATA SSD | ADATA SU800 1TB 2.5-Inch SATA SSD |
|---|---|---|
| Storage Capacity | 500GB | 1TB |
| Interface | SATA III | SATA III |
| Form Factor | 2.5 Inch | 2.5 Inch |
| Max Read Speed | 550MB/s | 560 MB/s |
| Max Write Speed | 520MB/s | 520 MB/s |
| NAND Type | not stated | 3D NAND |
| Size | 500GB | 1 TB |
| Dimensions | 3.94 × 2.76 × 0.27 inches | 3.95 × 0.28 × 2.75 inches |
| Weight | 1.76 ounces | 1.6 ounces |
| Color | Black | Black |
| Model | MZ-76E500B/AM | ASU800SS-1TT-C |
Frequently asked questions
Are Samsung and ADATA NVMe SSDs compatible with older laptops?
No. The listed Samsung and ADATA models use the SATA III interface, not NVMe. They are designed for 2.5-inch drive bays found in older systems. If your laptop requires an M.2 NVMe drive, these specific units will not fit or function. You need to look for drives explicitly labeled as NVMe or PCIe.
Do these drives include a DRAM cache for better performance?
The ADATA SU800 includes a DRAM cache to help manage data more efficiently. The Samsung 860 EVO does not list a DRAM cache in its specifications. DRAM cache can improve sustained write speeds and system responsiveness during heavy tasks. You should consider this if you plan to run large applications or transfer many files simultaneously.
What is the difference between SATA and NVMe SSDs?
SATA SSDs, like these models, use the SATA III interface with a maximum speed of 600 MB/s. NVMe SSDs connect directly to the motherboard via PCIe, offering much higher speeds. The drives listed here are SATA III, so they will not reach the speeds of modern NVMe drives. Choose SATA only if your system lacks an M.2 slot.
Which brand offers more storage capacity in this comparison?
ADATA offers more capacity with the SU800 at 1TB. The Samsung 860 EVO is listed at 500GB. This means the ADATA drive holds twice as much data. You can store more games, videos, and documents on the ADATA unit. Samsung provides a smaller option suitable for basic operating system and application storage.
Is Samsung a better brand than ADATA for SSDs?
Both brands are reputable for storage devices. Samsung is known for consistent performance and security features in its 860 EVO. ADATA provides practical upgrades with features like 3D NAND in its SU800. Neither is objectively better; the choice depends on your specific needs. Consider capacity, cache, and interface compatibility when deciding between these two manufacturers.
Can I use these SSDs in a desktop computer?
Yes. Both drives use the standard 2.5-inch form factor. This size fits into most desktop motherboards and cases that have a SATA port. You will need a SATA data cable and power connection. These drives are ideal for upgrading older desktops that still rely on traditional 2.5-inch drive bays rather than newer M.2 slots.

