Product Type | M.2 SATA/NVMe Adapter |
Form Factor | PCIe HHHL (Half-Height, Half-Length) |
Enclosure Type | Internal |
Number of Drive Bays | 2 |
Supported Drive Form Factor | M.2 2242/2260/2280 |
Power Requirements | Supplied via PCIe slot |
Drive Interface Compatibility | SATA and NVMe |
RAID Support | No (software RAID may be available via operating system) |
Hot Swap Support | No |
Lenovo M.2 SATA/NVMe 2-Bay Adapter, 4C57A85377





Key Benefits

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- Dual-bay design offers enhanced storage expansion within a compact footprint.
- Supports both SATA and NVMe M.2 drives for broad compatibility and performance tuning.
- Backed by Lenovo's enterprise-grade storage accessory standards.
Product Overview
The Lenovo M.2 SATA/NVMe 2-Bay Adapter, part number 4C57A85377, supports dual M.2 drives using SATA or NVMe protocols. Ideal for enterprise and professional deployments, this adapter boosts storage expansion and flexibility in compatible Lenovo systems. While specific interface specifications are unavailable, it meets Lenovo's TAA compliance inquiry process and is suitable for industry-specific integration where modular scaling is a priority.
Specifications
Product Overview
Physical & Environmental
Dimensions (W x D x H) | 167.65 mm x 68.90 mm x 18.96 mm |
Weight | 250 g |
Operating Temperature | 10°C to 35°C (50°F to 95°F) |
Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
Operating Humidity | 8% – 80% (non-condensing) |
Storage Humidity | 5% – 95% (non-condensing) |
Cloud Management & Licensing
Management Interface | Not applicable |
Software Licensing | Not required |
Cloud Integration | No |
Interfaces
Host Interface | PCIe Gen3 x8 |
Number of PCIe Lanes Used | 8 |
Drive Connectors | 2 x M.2 Key M |
Supported Protocols | PCIe NVMe and SATA |
Max Data Transfer Rate | Up to 32 Gb/s per NVMe drive |
Interface Compatibility | PCIe 3.0 |
Compliance & Origin
Country of Origin | Inquire |
TAA Compliance | TAA-compliant via Lenovo’s TAA Inquiry Process |
RoHS Compliance | Yes |
FCC Certification | Yes |
CE Marking | Yes |
WEEE Compliance | Yes |
Advanced Security Features
Drive Security | Dependent on installed drive capabilities |
Physical Security | Chassis-level security recommended |
TPM Support | Supported via host system |
Tamper Resistance | No integrated tamper detection |
Authentication Support | Drive-based (if supported) |