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Toshiba Semiconductor and Storage MG04SCA40EN
- Part No.:
- MG04SCA40EN
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- Datasheet:
-
MG04SCA40EN.pdf
- Description:
- TOMCAT-R 4TB
- Quantity:
- Payment:
- Shipping:
Inventory:3,821
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Product details
Overview
MG04SCA40EN from Toshiba is a 4 TB, 3.5-inch enterprise-class hard disk drive with 7,200 rpm spindle speed, 12 Gbit/s dual-port SAS-3 interface, 128 MiB buffer, and 512 native sector format - 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 MG04SCA40EN datasheet, MG04SCA40EN pinout, MG04SCA40EN application, or MG04SCA40EN equivalent, key selection criteria include sustained transfer rate (195 MiB/s), workload rating (550 TB/year), power loss protection (PLP), Sanitize Instant Erase (SIE) option, and RoHS-compliant 26.1 mm height form factor.
Technical Context
The MG04SCA40EN 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 compatibility. It uses 512 native logical/physical block addressing with optional 520/528-byte modes for enterprise storage protocols.
It integrates Power Loss Protection (PLP) using back electromotive force and rotational inertia to flush buffer data to media during unexpected power loss, and supports Persistent Write Cache (PWC) with flash-backed write staging - critical for transactional integrity in 24×7 operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Formatted Capacity | 4 TB (1,000,000,000,000 bytes); usable capacity reduced by OS formatting and metadata overhead |
| Interface Speed | 12.0 Gbit/s max SAS-3.0; enables full-duplex, dual-port connectivity for redundancy and failover |
| Rotation Speed | 7,200 rpm ± 0.1 %; balances latency (4.17 ms avg.) and throughput for nearline workloads |
| Buffer Size | 128 MiB DRAM cache; improves sequential/random I/O performance and write coalescing |
| Workload Rating | 550 TB/year; defines annual data transfer limit for rated MTTF of 1,400,000 hours |
| Power Consumption | 11.8 W max (R/W), 6.1 W typ. (low-power idle); supports thermal management in dense rack environments |
| Non-recoverable Error Rate | 1 error per 1016 bits read; meets enterprise storage data integrity requirements |
Pinout & Package
MG04SCA40EN uses a standard 3.5-inch, 26.1 mm height, 101.6 mm × 147 mm mechanical form factor with dual SAS connectors (SFF-8643 or SFF-8482 depending on variant). Pinout follows SAS-3.0 specification for dual-port operation; no proprietary pin mapping deviates from ANSI INCITS 517–2014.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SAS Port A (TX+/−, RX+/−) | Differential high-speed serial data lanes | Primary host interface path; supports 12 Gbit/s full-duplex communication |
| SAS Port B (TX+/−, RX+/−) | Differential high-speed serial data lanes | Redundant/failover interface; enables multipath I/O and hot-swap resilience |
| POWER (5 V, 12 V) | DC power inputs | Separate regulated rails; 5 V ±5 % and 12 V ±5 % tolerance per SATA/SAS mechanical spec |
| GROUND | Signal and power return | Multi-point grounding across chassis mount points and connector shell for EMI control |
| PRESENCE / ACTIVITY | LED control signals | Drives front-panel status indicators for drive presence and activity in server backplanes |
Key Features
| Feature | Design Value |
|---|---|
| Dual-port SAS-3.0 interface | Enables multipath I/O, path failover, and concurrent host access without single-point failure |
| Power Loss Protection (PLP) | Uses rotational inertia and back-EMF to complete pending writes during abrupt power loss - preserves data consistency |
| Persistent Write Cache (PWC) with flash backup | Stores uncommitted write data in non-volatile flash when PLP triggers, preventing silent corruption |
| Sanitize Instant Erase (SIE) option | Performs cryptographic erasure of all user data in seconds - satisfies NIST SP 800-88 Rev. 1 media sanitization requirements |
| 512 native sector format | Ensures compatibility with legacy OSes, hypervisors, and storage stacks that do not support 4K advanced format |
Applications
| Mid-line Business-Critical Servers | Tier-2 Storage Systems |
|---|---|
Use Scenario: Deployed in 2U/4U rack servers hosting virtualized databases and ERP applications with mixed read/write workloads. IC Role / Device Role / Timing Role: Primary boot and data volume storage device; provides deterministic latency (4.17 ms) and sustained throughput (195 MiB/s). Use Value: Delivers 4 TB density per spindle while maintaining 7,200 rpm responsiveness - reducing rack space and power per TB versus lower-RPM alternatives. | Use Scenario: Integrated into JBOD enclosures and modular SAN arrays where capacity scaling and serviceability are prioritized over ultra-low latency. IC Role / Device Role / Timing Role: Nearline storage node with dual-port SAS for controller redundancy and hot-swap maintenance. Use Value: 550 TB/year workload rating and 1,400,000-hour MTTF ensure multi-year deployment without premature wear-out in 24×7 environments. |
| Legacy Hypervisor Environments | Data Center Capacity Optimization |
Use Scenario: Used in VMware vSphere and Microsoft Hyper-V clusters requiring 512-byte native sector alignment for VMFS and CSV filesystems. IC Role / Device Role / Timing Role: Boot and datastore volume with strict sector-size compliance - avoids misalignment penalties and guest OS errors. Use Value: Native 512-byte logical/physical blocks eliminate translation overhead and guarantee predictable I/O behavior across generations of hypervisors. | Use Scenario: Installed in scale-out object storage nodes (e.g., Ceph OSDs) where cost-per-TB and energy efficiency drive hardware selection. IC Role / Device Role / Timing Role: High-capacity, low-power-per-TB storage element with 6.1 W idle consumption and RoHS-compliant materials. Use Value: Achieves 1.52 mW/GB energy consumption efficiency (per Japanese law definition), lowering PUE impact in hyperscale deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar enterprise HDD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Seagate ST4000NM0033 | 4 TB, 7,200 rpm, 12 Gb/s SAS, 256 MiB buffer, no SIE option | Lacks Sanitize Instant Erase; uses different PLP implementation (capacitor-based vs. back-EMF) | Select when SIE is not required and higher buffer size is preferred for sequential streaming |
| HGST Ultrastar HS14 | 4 TB, 7,200 rpm, 12 Gb/s SAS, 256 MiB buffer, supports TCG Opal encryption | Includes hardware encryption but no SIE; taller 26.1 mm height identical | Choose when FIPS 140-2 full-disk encryption is mandated, and SIE is secondary to crypto compliance |
Compared with ST4000NM0033 and Ultrastar HS14, the MG04SCA40EN uniquely combines SIE capability, back-EMF PLP, and strict 512-native sector enforcement - making it optimal for re-purposed drive reuse, audit-driven data centers, and legacy hypervisor stacks.
Availability
MG04SCA40EN is available at Aetrix Electronics and suitable for mid-line business-critical servers, tier-2 storage systems, and legacy hypervisor environments requiring stable component supply, long-lifecycle availability, and certified data sanitization capabilities.
Supply support for MG04SCA40EN 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) is a Japanese semiconductor and storage technology leader, historically pioneering NAND flash and enterprise HDD innovation with emphasis on reliability, density, and data security.
The MG04SCAxxEN series was designed specifically for enterprise nearline storage - targeting cost-effective, high-capacity, 24×7 operation in data centers where workload endurance, sector compatibility, and secure data erasure are mandatory.
FAQ
Does MG04SCA40EN support 4K native (4096-byte) sector format?
No, MG04SCA40EN exclusively supports 512-byte native, 520-byte, and 528-byte logical block formats - it does not implement 4K physical or logical sectors. This ensures compatibility with legacy operating systems and hypervisors that lack 4K-aware drivers or partitioning tools. The MG04SCA40EN datasheet explicitly states "512 native format sector technology" as a defining feature.
What is the role of Power Loss Protection (PLP) in MG04SCA40EN?
MG04SCA40EN implements PLP using back electromotive force and rotational inertia to complete pending writes from its 128 MiB buffer to magnetic media during sudden power loss. Unlike capacitor-based PLP, this method requires no additional components and maintains data integrity without external backup power. The MG04SCA40EN specification confirms PLP functionality is active across all operational states.
Is Sanitize Instant Erase (SIE) available on all MG04SCA40EN units?
No - SIE is an optional feature available only on specific MG04SCA40EN SKUs designated with suffix "-SIE" or marked in ordering codes. Standard MG04SCA40EN units do not include SIE firmware. The product overview document states "Model options supporting Sanitize Instant Erase (SIE) are also available", confirming it is not universal across the base part number.
What mechanical form factor does MG04SCA40EN use?
MG04SCA40EN uses the industry-standard 3.5-inch form factor with maximum dimensions of 101.6 mm (width) × 147 mm (length) × 26.1 mm (height) and a mass of ≤720 g. It complies with SFF-8482 and SFF-8643 mechanical specifications for dual-port SAS drives, enabling drop-in compatibility with standard server backplanes and JBOD enclosures.
How does MG04SCA40EN handle non-recoverable errors?
MG04SCA40EN guarantees a non-recoverable error rate of 1 per 1016 bits read - a requirement for enterprise-class HDDs. It employs dual-stage error correction (ECC), real-time defect remapping, and end-to-end data path protection from host interface through media write. This specification is validated under full workload conditions and documented in the MG04SCA40EN reliability section.
MG04SCA40EN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- MG04SCA-N
- Packaging:
- Bulk
- Product Status:
- Active
- Memory Size:
- 4TB
- 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
MG04SCA40EN FAQ
1.How can I place an order for MG04SCA40EN through Aetrix?
Please submit a Request for Quotation (RFQ) for MG04SCA40EN 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 MG04SCA40EN reliable?
The price and inventory of MG04SCA40EN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MG04SCA40EN is usually 5 days.
3.What payment methods are accepted for MG04SCA40EN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MG04SCA40EN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MG04SCA40EN?
MG04SCA40EN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MG04SCA40EN 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 MG04SCA40EN?
For technical support, including MG04SCA40EN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MG04SCA40EN requirements.
6.How does Aetrix verify that MG04SCA40EN is sourced from the original manufacturer or authorized distributors?
All MG04SCA40EN 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 MG04SCA40EN meets industry standards.
7.What is the process for return or replacement of MG04SCA40EN?
All MG04SCA40EN units undergo pre-shipment inspection (PSI). If there is an issue with MG04SCA40EN, 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 MG04SCA40EN part is unused and in its original packaging.
Return procedure for MG04SCA40EN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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