Vertiv SA1-01001NB 1U Passive SwitchAir Blanking Panel

Overview

The Vertiv SA1-01001NB is a 1U passive SwitchAir blanking panel engineered to eliminate hot air recirculation in network equipment racks. At 1.88 inches tall and 29 inches deep, it fills the full interior depth of a standard 19-inch rack bay — not just the front face — blocking the airflow bypass path that forms when a rack position sits empty. If you have managed switches, top-of-rack spine gear, or dense patch panels with open slots above or below them, those gaps silently undermine whatever cooling architecture you've built. The SA1-01001NB (often searched as SA1 01001NB) closes those gaps without drawing a single watt.

Unlike shallow snap-in blanking panels that only cover the front 1–2 inches of a bay, the Vertiv SwitchAir design extends deep into the rack cavity. At 29 inches of depth, it physically separates the cold aisle intake from the hot aisle exhaust across the full chassis footprint — the same discipline used in hot-aisle/cold-aisle containment deployments. That depth is the reason to reach for the SA1-01001NB over a commodity blanking plate: passive airflow management that actually works at the slot level, not just at the door.

Browse the full Vertiv rack infrastructure catalog or explore the broader power and cooling category for complementary containment and thermal management options.

Key Features

• 1U form factor, 19-inch standard width: Drops into any EIA-310 compliant rack without modification — no rail kits, no tools beyond a screwdriver. Fits alongside managed network switches and other 19-inch rack equipment without requiring rack reconfiguration.
• 29-inch depth — full-cavity coverage: A shallow blanking panel blocks recirculation at the front bezel only; equipment exhaust still bypasses at depth. The SA1-01001NB's 29-inch profile physically fills the slot from front to rear, which is the correct way to enforce airflow separation in deep (800mm or 1000mm) rack enclosures.
• 1.88-inch panel height: Sized precisely for a 1U slot (1.75 inches nominal, with clearance), so it installs flush without bowing or leaving gaps at the top or bottom rails — gaps that defeat the purpose of blanking entirely.
• Passive operation — zero power draw: No fans, no electronics, no firmware. It installs once and requires no maintenance, no power circuits, and generates no heat of its own. In a rack where every watt of PDU capacity matters, that's a meaningful distinction from active airflow management accessories.
• Targeted exhaust management for switch-class equipment: The SwitchAir product family is designed specifically around the airflow profiles of network switches, which tend to run side-to-side or front-to-rear and create strong bypass currents when adjacent slots are open. Filling those slots with a full-depth panel rather than a cosmetic cover directly reduces return air temperature at the switch intake.
• Part of a scalable blanking family: The SA1-01001NB sits in a family that spans 1U through 9U and short-depth through full-depth configurations — so if a future rack reconfiguration changes your slot sizes, there's a matching SwitchAir panel rather than a sourcing gap.

Integration and Compatibility

The SA1-01001NB installs in any standard 19-inch EIA-310 rack enclosure and is compatible with open-frame and enclosed rack cabinets from major manufacturers. At 29 inches of depth, verify that your rack's usable interior depth accommodates the panel without interference from cable managers, PDU mounting positions, or rear cable trays. It pairs naturally with rack enclosure and containment accessories in deployments where full hot-aisle/cold-aisle separation is the goal. For racks with mixed 1U and 2U open slots, pair with sibling models from the SwitchAir line to cover all open positions.

Frequently Asked Questions

Q: What is the difference between the SA1-01001NB and the SA1-01002XLNB?

A: Both are 1U SwitchAir panels sharing the same 1.88-inch height and 19-inch width. The SA1-01001NB measures 29 inches deep, identical to the SA1-01002XLNB at 29 inches — check current Vertiv documentation to confirm whether any feature differentiation exists between these two SKUs, as the dimensional specs are the same per the published data.

Q: Does the SA1-01001NB require any tools or hardware to install?

A: It mounts in a standard 19-inch rack bay. Typical installation uses standard cage nuts and rack screws. No specialized tools are required beyond what you'd use to install any 1U rack device.

Q: Will the 29-inch depth fit my rack cabinet?

A: Standard data center cabinets are typically 600mm (23.6 in) to 1000mm (39.4 in) in interior usable depth. At 29 inches (approximately 737mm), the SA1-01001NB fits comfortably in most 800mm and 1000mm deep cabinets. Verify your rack's usable rear depth, accounting for any rear cable management arms or vertical PDU positions before ordering.

Q: Is the SA1-01001NB passive or does it contain a fan?

A: It is fully passive — no fans, no power connection, no moving parts. It redirects airflow through physical geometry rather than active ventilation.

Q: Can I use this panel in an open-frame rack?

A: Yes, it mounts in any standard EIA-310 19-inch rack, including open-frame two-post and four-post designs. Note that open-frame racks without side panels or containment curtains will limit the effectiveness of any blanking panel, since hot exhaust can still escape around the rack perimeter.

Ted Perry

The spec that matters most on the SA1-01001NB isn't the height — it's the 29-inch depth. I've seen plenty of deployments where operators snapped in 2-inch cosmetic blanks across every open slot and still ended up with switch inlet temperatures 8–12°F above ambient, because the bypass path at the rear of the slot was completely unaddressed. The SwitchAir geometry closes that rear gap, which is where the recirculation actually happens in a deep cabinet.

Technical Highlights:

• 29-inch cavity depth: Physically separates hot and cold airflow zones across the full depth of the slot — not just at the front face. In 800mm or 1000mm cabinets, this is the correct depth to enforce airflow separation rather than just cosmetic slot coverage.
• 1.88-inch panel height: Fits a standard 1U slot with proper clearance so the panel installs flush against both rail edges, leaving no gap for bypass air at the top or bottom of the bay.
• 19-inch standard width: Compatible with all EIA-310 rack enclosures — no adapters, no proprietary rail hardware. Drops in with standard cage nuts and M6 screws.

Deployment Considerations:

• At 29 inches, measure your rack's usable interior depth before ordering — rear-mounted vertical PDUs or cable management arms can reduce available depth to less than the panel length in some cabinet configurations.
• Passive blanking works best in fully enclosed cabinets with controlled front and rear airflow. In open-frame racks without containment, hot air escapes around the rack perimeter regardless of slot coverage, which limits the thermal benefit.

The SA1-01001NB is the right call for enclosed data center cabinets running high-density switching gear — particularly top-of-rack spine switches that exhaust significant heat and are sensitive to inlet temperature. If your rack has multiple empty 1U slots above or below active switch gear, start there: those positions are the highest-priority bypass paths in a front-to-rear airflow design.