Storage · MODEL NOTES
Samsung 870 EVO 2TB (MZ-77E2T0B/AM)
More SATA SSD space without consuming an M.2 socket
The 870 EVO 2TB can expand a desktop through a spare SATA bay while leaving an NVMe socket available for another purpose. It also suits a supported SATA-only system that needs a larger solid-state drive. Choose it because the connection and capacity fit the machine, not because SATA and NVMe capacities with the same number are equivalent in every workload.
Consider it when
- A SATA-compatible computer needing a 2 TB solid-state library or replacement drive.
Look again when
- The main task needs NVMe transfer bandwidth or a supported free M.2 slot offers a better complete option.
The checks that can change your choice
Check the remaining SATA path after other upgrades
MZ-77E2T0B/AM needs a 2.5-inch mounting point plus separate SATA data and power. Some motherboard M.2 configurations disable particular SATA ports. Confirm the chosen port stays available and the cable reaches without interfering with the drive cage, front radiator or PSU leads.
Plan migration and recovery
Keep a separate verified backup before cloning, formatting or changing a boot drive. Check the firmware and installation guidance for the exact model. Published capacity uses decimal units; formatting, the operating system and your applications leave less space available for files.
Published specifications
2 TB SATA 6 Gb/s SSD; 2.5-inch; up to 560/530 MB/s sequential read/write; 100 × 69.85 × 6.8 mm.
| Brand | Samsung |
|---|---|
| Exact model | 870 EVO 2TB (MZ-77E2T0B/AM) |
| Manufacturer model number | MZ-77E2T0B/AM |
| Form factor | 2.5 inch |
| Published power rating | 2.5 W — Manufacturer average active write consumption, not a peak/startup requirement |
| Capacity | 2000 GB |
| Storage connection | SATA |
| Drive type | SSD |
| Drive dimensions | 100 × 69.85 × 6.8 mm |
| Power connection | SATA power required in addition to any data/control connections |
Requires a SATA data cable, SATA power connector and 2.5-inch mounting position. AM retail SKU; packaging suffix differs by region. Performance depends on workload and system configuration.
Compare the choice, not just the name
A different choice worth checking
These alternatives address related choices. Recheck their platform, connections and fit before treating one as a replacement.
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Sources and review notes
RigAtlas connects manufacturer specifications to component choices. This page is document-based analysis; it does not claim a hands-on test or a current store offer.
- Samsung — exact model specificationsEvidence checked
- Samsung — supporting specification or manualEvidence checked
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