Toshiba Semiconductor and Storage MG04SCA20EN
- Part No.:
- MG04SCA20EN
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- Datasheet:
-
MG04SCA20EN.pdf
- Description:
- TOMCAT-R 2TB
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MG04SCA20EN from Toshiba is a 2 TB, 3.5-inch enterprise-class hard disk drive with 7,200 rpm spindle speed, 12 Gbit/s dual-port SAS-3 interface, 512 native sector format, and 128 MiB buffer - deployed in tier-2 business-critical servers and capacity-optimized data center storage systems requiring high reliability and legacy sector compatibility.
For engineers reviewing the MG04SCA20EN datasheet, MG04SCA20EN pinout, MG04SCA20EN application, or MG04SCA20EN equivalent, key selection considerations include sustained transfer rate (195 MiB/s), workload rating (550 TB/year), power loss protection (PLP), Sanitize Instant Erase (SIE) option availability, and RoHS-compliant 26.1 mm height form factor.
Technical Context
The MG04SCA20EN implements a dual-port SAS-3.0 interface supporting 12.0 Gbit/s, 6.0 Gbit/s, 3.0 Gbit/s, and 1.5 Gbit/s backward-compatible link speeds. It uses 512 native logical and physical sector formatting, enabling direct compatibility with legacy OS and hypervisor environments requiring 512-byte sectors without translation layers.
It integrates Power Loss Protection (PLP) using back electromotive force and rotational inertia to flush buffered write data to media during unexpected power loss, and supports Persistent Write Cache (PWC) with flash-backed retention for uncommitted writes - critical for maintaining data integrity in 24×7 enterprise operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Formatted Capacity | 2 TB (1,000,000,000,000 bytes × 2); usable capacity varies per OS formatting and file system overhead. |
| Interface | 12 Gbit/s dual-port SAS-3.0; enables redundant connectivity and failover in enterprise storage arrays. |
| Rotation Speed | 7,200 rpm ± 0.1 %; balances performance and power efficiency for nearline workloads. |
| Average Latency | 4.17 ms; determined by rotational speed, directly impacts random I/O response time. |
| Buffer Size | 128 MiB; improves sequential throughput and reduces host wait time via intelligent caching. |
| MTTF | 1,400,000 hours; statistical reliability metric for large-scale deployment planning under 24×7 operation. |
| Workload Rating | 550 TB/year; defines annual data transfer limit for sustained enterprise duty cycle compliance. |
| Non-recoverable Error Rate | ≤10 errors per 10¹⁶ bits read; meets enterprise-grade data integrity requirements. |
Pinout & Package
MG04SCA20EN uses a standard 3.5-inch, 26.1 mm height, 101.6 mm × 147 mm mechanical form factor compliant with SFF-8482 and SAS-3 specifications. Connector interface is a 29-pin dual-port SAS edge connector (SFF-8482 compliant), with pins assigned per SAS-3.0 specification for transmit/receive differential pairs, power, ground, and sideband signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–4, 7–10, 13–16, 19–22 | SAS TX+/TX−, RX+/RX− (Port A & B) | Dual-port 12 Gbit/s differential signaling lanes; supports concurrent or failover host connections. |
| 5, 6, 11, 12, 17, 18, 23, 24 | GND | Signal and power return paths; critical for EMI control and signal integrity at 12 Gbit/s. |
| 25–29 | +5 V, +12 V, GND, Sideband (SATA-style presence) | Power delivery per SFF-8482; +5 V ±5 % and +12 V ±5 % support PLP capacitor charging and motor spin-up. |
Key Features
| Feature | Design Value |
|---|---|
| 512 Native Sector Format | Eliminates 512e emulation overhead and ensures full compatibility with legacy BIOS, RAID firmware, and hypervisors requiring true 512-byte sectors. |
| Sanitize Instant Erase (SIE) | Enables cryptographic erasure of all user data in seconds - essential for secure drive re-purposing or decommissioning in regulated environments. |
| Power Loss Protection (PLP) | Uses rotational inertia and back-EMF to complete pending writes during sudden power loss, preventing metadata or cache corruption. |
| Persistent Write Cache (PWC) | Retains uncommitted write data in flash memory during power failure, ensuring host-reported "write complete" status reflects durable persistence. |
| 24×7 Enterprise Operation | Rated for continuous operation with thermal management and vibration tolerance optimized for rack-mounted storage enclosures. |
Applications
| Tier-2 Business-Critical Servers | Capacity-Optimized Data Center Storage |
|---|---|
Use Scenario: Mid-tier database servers hosting ERP, CRM, and virtualized applications with mixed read/write workloads and strict uptime SLAs. IC Role / Device Role / Timing Role: Primary block storage device delivering consistent latency and high throughput under sustained 550 TB/year workload. Use Value: 7,200 rpm spindle speed and 128 MiB buffer reduce average latency to 4.17 ms and sustain 195 MiB/s transfers - meeting OLTP and VM density requirements. |
Use Scenario: Scale-out NAS and object storage clusters where cost-per-TB, reliability, and seamless integration with existing SAS infrastructure are prioritized. IC Role / Device Role / Timing Role: High-capacity nearline storage node supporting sequential-heavy ingestion and archival workflows. Use Value: Dual-port SAS-3.0 enables multipath I/O and redundancy; 1,400,000-hour MTTF and 550 TB/year rating ensure multi-year operational continuity in dense deployments. |
| Hypervisor Hosts Requiring 512 Native | Secure Data Lifecycle Management |
Use Scenario: VMware ESXi or Microsoft Hyper-V hosts running legacy guest OSes that mandate 512-byte native sector alignment for boot and snapshot operations. IC Role / Device Role / Timing Role: Boot and data volume storage with guaranteed sector-level compatibility - avoiding misalignment penalties or boot failures. Use Value: True 512/520/528-byte logical and physical sector mapping eliminates translation layers, preserving IOPS and reducing CPU overhead in virtualized I/O stacks. |
Use Scenario: Financial or government data centers retiring drives from production and repurposing them for non-sensitive workloads or disposal. IC Role / Device Role / Timing Role: Storage device with hardware-enforced data sanitization capability integrated into drive firmware. Use Value: Sanitize Instant Erase (SIE) performs cryptographically verified erasure in <5 seconds - satisfying NIST SP 800-88 Rev. 1 and DoD 5220.22-M compliance without external tools. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar enterprise HDD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST2000NM0033 (Seagate Exos 7E2) | 2 TB, 7,200 rpm, 12 Gbit/s SAS, 256 MiB buffer, 512e (not native), no SIE | Lacks 512 native support and SIE; requires host-side sector translation and external sanitization tools | Select when higher buffer size is prioritized over native sector compliance or certified erasure. |
| HUH728020ALE604 (Hitachi/HGST Ultrastar) | 2 TB, 7,200 rpm, 12 Gbit/s SAS, 128 MiB buffer, 512 native, no SIE, 2.5 million hour MTTF | Higher MTTF but lacks SIE; uses different firmware architecture and power management profile | Select when maximum longevity is required and SIE is handled externally or not mandated. |
Compared with ST2000NM0033 and HUH728020ALE604, MG04SCA20EN uniquely combines 512 native sector support, Sanitize Instant Erase, and PLP-backed PWC in a single 2 TB enterprise HDD - making it optimal for legacy-hypervisor environments with strict data sanitization and power-failure resilience requirements.
Availability
MG04SCA20EN is available at Aetrix Electronics and suitable for tier-2 server deployments, capacity-optimized storage systems, and secure data lifecycle management applications requiring stable component supply, long-term lifecycle visibility, and RoHS-compliant sourcing.
Supply support for MG04SCA20EN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Toshiba Corporation (now Kioxia Corporation) is a Japanese semiconductor and storage technology leader, pioneering NAND flash and enterprise HDD innovation since the 1980s.
The MG04SCAxxEN series was designed specifically for mid-line enterprise storage - delivering high capacity, SAS-3.0 performance, and data integrity features (PLP, SIE, 512 native) for 24×7 data center environments.
FAQ
What is the formatted capacity of MG04SCA20EN?
The MG04SCA20EN has a formatted capacity of 2 TB, defined by Toshiba as 2,000,000,000,000 bytes. Actual usable space depends on OS formatting, file system overhead, and reserved areas. The drive uses 512 native sector format, so no 512e translation layer reduces effective capacity or performance - unlike hybrid-emulation drives. This makes MG04SCA20EN particularly suitable for legacy-aware hypervisors and boot volumes.
Does MG04SCA20EN support Power Loss Protection (PLP)?
Yes, MG04SCA20EN includes hardware-based Power Loss Protection (PLP) that uses rotational inertia and back electromotive force to complete pending writes during sudden power loss. This ensures data integrity for cached writes and prevents filesystem corruption. PLP works in conjunction with Persistent Write Cache (PWC) to retain uncommitted data in flash memory - a feature confirmed in Toshiba's MG04SCAxxEN product overview and reliability documentation.
Is MG04SCA20EN compatible with SAS-2 or SAS-1 hosts?
Yes, MG04SCA20EN supports backward compatibility with SAS-2 (6.0 Gbit/s) and SAS-1 (3.0 Gbit/s, 1.5 Gbit/s) through automatic negotiation. Its SAS-3.0 interface operates at the highest mutually supported speed, ensuring interoperability across generations of SAS controllers and expanders without firmware or driver changes - a key requirement for phased infrastructure upgrades in enterprise storage environments.
What does "512 native" mean for MG04SCA20EN?
"512 native" means MG04SCA20EN uses true 512-byte logical and physical sectors - no emulation or translation layer. This guarantees byte-for-byte sector alignment with legacy BIOS, RAID controllers, and hypervisors expecting 512-byte sectors. Unlike 512e (emulated) drives, MG04SCA20EN avoids performance penalties and compatibility risks in boot, snapshot, and replication workflows - a documented design requirement for the MG04SCAxxEN series.
Does MG04SCA20EN offer Sanitize Instant Erase (SIE)?
Yes, MG04SCA20EN offers Sanitize Instant Erase (SIE) as an optional feature - available on specific model variants. SIE performs cryptographically verified erasure of all user data in under 5 seconds, satisfying NIST SP 800-88 Rev. 1 standards. This capability is firmware-integrated and does not require external tools, making MG04SCA20EN suitable for secure drive re-purposing or decommissioning in regulated industries.
What is the workload rating for MG04SCA20EN?
The MG04SCA20EN is rated for 550 TB/year of total data transferred - a defined enterprise workload metric reflecting its suitability for nearline, 24×7 operation in tier-2 storage systems. This rating accounts for mixed read/write patterns, thermal cycling, and vibration exposure typical in rack-mounted environments. Exceeding this annual workload may impact reliability and void warranty coverage per Toshiba's published specifications.
MG04SCA20EN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- MG04SCAxxEN
- Packaging:
- Bulk
- Product Status:
- Active
- Memory Size:
- 2TB
- Memory Type:
- Magnetic Disk (HDD)
- Form Factor:
- 3.5"
- Speed - Read:
- -
- Speed - Write:
- -
- Voltage - Supply:
- 5V, 12V
- Type:
- SAS
- Current - Max:
- -
- Operating Temperature:
- 5°C ~ 55°C
- Weight:
- -
- Size / Dimension:
- 147.00mm x 101.60mm x 26.10mm
MG04SCA20EN FAQ
1.How can I place an order for MG04SCA20EN through Aetrix?
Please submit a Request for Quotation (RFQ) for MG04SCA20EN on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MG04SCA20EN reliable?
The price and inventory of MG04SCA20EN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MG04SCA20EN is usually 5 days.
3.What payment methods are accepted for MG04SCA20EN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MG04SCA20EN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MG04SCA20EN?
MG04SCA20EN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MG04SCA20EN order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MG04SCA20EN?
For technical support, including MG04SCA20EN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MG04SCA20EN requirements.
6.How does Aetrix verify that MG04SCA20EN is sourced from the original manufacturer or authorized distributors?
All MG04SCA20EN products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MG04SCA20EN meets industry standards.
7.What is the process for return or replacement of MG04SCA20EN?
All MG04SCA20EN units undergo pre-shipment inspection (PSI). If there is an issue with MG04SCA20EN, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MG04SCA20EN part is unused and in its original packaging.
Return procedure for MG04SCA20EN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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