Description
Seagate Barracuda ST318438LW 36ES2 18GB 7.2K U160 68-Pin SE/LVD SCSI Hard Drive – New Pull
The Seagate Barracuda 36ES2 ST318438LW is a high-performance 18GB Ultra160 SCSI hard drive designed for enterprise-class systems including engineering workstations, network servers, mainframes, and legacy storage arrays. Featuring a 7,200 RPM spindle speed and wide Ultra160 SCSI interface, this drive delivers dependable performance for mission-critical applications.
This unit is classified as a New Pull and is ideal for maintaining or upgrading compatible SCSI-based environments.
Alternate MPN: 9W8005-001
Enterprise-Grade SCSI Performance
The Barracuda 36ES2 integrates giant magnetoresistive (GMR) heads, PRML read channel technology, and embedded servo design to ensure reliable data access and consistent performance. Its Ultra160 SCSI controller supports both single-ended (SE) and low voltage differential (LVD) modes for flexible system integration.
With synchronous transfer rates up to 160 MB/s in LVD mode and 40 MB/s in single-ended mode, the drive provides stable throughput for demanding enterprise applications.
Advanced Data Integrity and Management
Integrated Ultra160 SCSI controller
Multimode SE and LVD SCSI drivers and receivers
Selectable sector sizes from 512 to 4,096 bytes
Programmable sector reallocation and defect management
Enhanced ECC with burst correction capability up to 240 bits
Embedded servo technology for accurate head positioning
Drive Self Test (DST) and power-on diagnostics
The drive includes a sealed head and disc assembly with a dedicated head landing zone and dynamic spindle brake for long-term durability.
Performance Specifications
Formatted Capacity
Approximately 18–19GB
Spindle Speed
7,200 RPM
Average Latency
4.17 ms
Average Access Time (Read/Write)
8.5 ms / 9.3 ms
Single Track Seek
0.6 ms / 1.0 ms
Maximum Full Seek
10.0 ms / 10.7 ms
Buffer
2MB (2048KB) multi-segmented cache with adaptive read look-ahead
Internal Transfer Rate
434 to 500 Mbits/sec
Internal Formatted Transfer Rate
32.3 to 52.2 MB/sec
External Transfer Rate
Up to 160 MB/sec (Ultra160 LVD)
Reliability
Mean Time Between Failures (MTBF)
800,000 hours
Non-Operating Shock
Up to 350G
Sealed head and disc assembly
No preventative maintenance required
Physical Specifications
Form Factor
3.5-inch
Height
1.0 inch (25.4 mm)
Width
4.00 inches (101.6 mm)
Depth
5.75 inches (146 mm)
Weight
Approximately 1.2 lbs (0.54 kg)
Power Requirements
+12V Startup
2.05A
+12V Idle
0.31A
+5V Startup
0.82A
+5V Idle
0.78A
Idle Power Consumption
Approximately 8.0W
Compatibility
Compatible with servers and systems supporting 68-pin Ultra160 Wide SCSI interfaces operating in SE or LVD mode.
Condition
New Pull
Warranty
1 Year
This Seagate Barracuda 36ES2 SCSI drive provides dependable legacy enterprise storage performance for specialized systems requiring Ultra160 SCSI connectivity.
USD 