DESCRIPTION

The GUARDIAN SSD realizes solid state
technology’s true potential and provides security
features that meet the stringent requirements of
sensitive military applications. The GUARDIAN
incorporates high reliability SLC grade NAND
flash in an industry standard 2.5” SATA form
factor, available with up to 100GByte capacity.
This extremely resilient storage solution is
built to mitigate disruptions or data corruption
caused by premature flash cell failures, extreme
temperatures, shock or vibration. The GUARDIAN
SSD raises the bar for storage reliability,
durability and security in all types of operating
environments.

WEDC’s proprietary design provides unparalleled
stability and endurance by focusing processing
power on error correction, effective wear leveling,
and identifying and retiring weak flash cells
before data loss occurs. Error correction logic
built into WEDC’s proprietary on-board Armor™
management processor protects data from
errors along the entire circuitry path — from
the host to the flash media. The GUARDIAN’s
reliability, coupled with its self-monitoring
technology, enables the user to anticipate
product end-of-life scenarios and respond
accordingly with preventive maintenance prior
to the occurrence of field failures. This failure
prevention methodology of safeguarding data
from catastrophic failures in critical applications
provides a much needed layer of protection.
Keeping sensitive data from getting in the wrong
hands is also a big concern and is accomplished
with features such as AES encryption, antitamper
protection techniques, and government
sanitization protocols, as well as WEDC’s
SnapPurge™ technology that destroys the data
in less than 100ms.

The Armor management processor provides the
GUARDIAN with these feature-rich capabilities
and the flexibility required to serve the many
operating requirements in today’s defense
and aerospace applications. By having control
and ownership of the Armor management
processor, WEDC eliminates any dependence
on a third party manufacturers’ controller, thus
protecting our customers from those all too
often costly changes and/or end-of-life problems.
By developing a robust solution that does not
depend on a DRAM cache, problems such as data
loss or corruption during power loss events and
issues with special batteries or capacitor back-up
circuits that degrade over time, are avoided.

The WEDC GUARDIAN is ideal for mission critical
defense applications, including:
• Surveillance
• UAVs
• Data recorders
• Data acquisition
• Radar systems
• Digital map storage
• Avionics
• Net-centric communications

All manufacturing for the GUARDIAN is done
in the U.S. in our DOD trusted source facility.
WEDC has a long history as an industry-leading
manufacturer of innovative, high-reliability
memory solutions for the defense market.

PRIMARY FEATURES

SATA at 1.5 or 3.0 GBytes/s
50 and 100GB densities
100 MB/s sustained sequential read and writes
MAX Power: less than 5W (5V +/- 10%)
Operating temperature: −40° C to +85° C

VALUE FEATURES

Form factor: 2.5” (100.2 × 69.85 × 9.5 mm)
Interface: SATA at 1.5 Gbits/s or 3 Gbits/s
Capacity: 50 GBytes or 100 GBytes
Flash technology: 8 Gbit SLC
Performance
    -Sustained sequential reads: 100 MBytes/s
    -Sustained sequential writes: 100 MBytes/s
    -Worst-case read and write latency: 20 ms
    -Reset-to-ready time: 2s
Reliability
    -Industry leading ECC protection
    -Uncorrectable bit error rate: better than

     1 sector per 1017 bits read

   
    -Mean time between failures: 2,000,000 hours
    -Write endurance: 3 petabytes for
     100 GByte drive
    -Power-down protection
    -Component staking and underfill
    -100% dynamic factory burn-in
    -Both read and write wear leveling
    -SMART attributes (self-monitoring, analysis,          and reporting technology)
    -Industry-leading built-in self-test utilities
Mechanical Reliability
    -Operating shock: 1500 G, 0.5 ms, 1/2 sine, 1       shock per axis and 60 G, 11 ms, 1/2 sine, 2        shocks per axis
    -Non-operating shock: 1500 G, 0.5 ms, 1/2

     sine, 1 shock per axis         
    -Vibration: 18 grms, Mil-STD-810F, method           514.5C–8, 15–2000 Hz, 3 axes (1 hr each)
    -Enhanced mechanical construction

Power loss protection and operational stability during power interruptions
    -No super caps or batteries that degrade 

     over time and temperature            
Optimized Disk Life
    -SLC Grade NAND Flash - 10 times greater write       endurance over MLC flash
    -Static and dynamic wear leveling
    -Managed write amplification
WEDC Drive Management Processor
    -Control over the host interface interaction
    -No EOL of forced firmware revisions
Security
    -AES encryption with a 256-bit key
    -Anti-tamper features
    -SnapPurge™ destroys data in less than 100 ms
    -Fast clear in less than 10 seconds
    -BIOS password support
    -Compliant sanitization protocols
    -US-made with full BOM and assembly control
Environmental
    -Operating temperature: -40° C to +85° C
    -Storage temperature: -55° C to +105° C
    -Humidity: 5%–95%, non-condensing
    -Altitude: 80,000 feet
Weight: 120 g
Power: < 5 W (5V ± 10%)
Commands: ATA–7 plus some ATA–8 commands

ADDITIONAL OPTIONS

Conformal coat, 168-hour burn in, encapsulation, OEM customization, Sn63 solder (RoHS5), extended temperature range

Shock tolerant interface connectors