Model comparison
Vari ComfortEdge 40x26, 48x30, 60x30 or 72x30: choose the top
The four Vari ComfortEdge desk sizes—40x26, 48x30, 60x30 and 72x30—share a contoured front but are different fixed-top complete desks, not one frame with interchangeable lengths. The right comparison begins with the surface your work actually needs and the room it must occupy. These dimensions are manufacturer-listed top sizes; leave clearance for the chair, walls and the desk's travel, and do not mistake a catalog picture for a delivery list.
Compare the surface before the feature language
The 40x26 is the smallest option, at 1,040 square inches of top area. It can fit a compact single-monitor arrangement, but has eight fewer inches of width and four fewer inches of depth than the 48x30. That larger option has 1,440 square inches, a useful 38 percent more top area if the added room is needed for a keyboard, monitor support and materials. It also needs a full 30 inches of depth. A narrow room can favor the 40x26 even though it offers less working room.
Both 60x30 and 72x30 keep the 30-inch depth and add horizontal space for side-by-side equipment. The 72-inch surface is twelve inches wider than the 60; the 60 may be easier to route through a home and fit along a wall. These are practical size comparisons, not stability findings. A larger desktop does not itself prove better lifting performance or reach. If you need a fixed 72-inch maximum, the 72x30 model may fit; if 60 inches is a hard room limit, the 72 does not.
Keep each exact model and document set straight
All four desks use Vari's ComfortEdge front profile, which the manufacturer describes as a softened rest area for the forearms, elbows and wrists. This does not make them medically proven or guaranteed to feel comfortable for every user. The exact clamp clearance is not stated in the sources reviewed, so someone selecting an arm or clamp should verify its attachment against the top before buying.
The 40x26 has its own eight-page instruction sheet. It calls for two people, explains that the top and legs come in two boxes, and illustrates attaching the legs to the frame before connecting the control box and handset. The 48x30 is covered by a 16-page booklet shared with other Vari electric sizes. Its diagrams show the control box installed in a center frame cavity and the leg leads connected to M1 and M2. That shared guide also covers 60x30 and 72x30, but their load limits differ: it lists up to 220 pounds for 48x30, 200 pounds for 60x30 and 180 pounds for 72x30. The sources do not call those static or dynamic ratings or explain remaining equipment payload. The exact 40x26 product page and manual say 220 pounds, but its selected 402853 spec sheet says 200; treat that as a source discrepancy and verify before relying on a threshold.
Height and movement rules are not interchangeable
The product pages/manuals list 25 to 50.5 inches as the working-surface range for these ComfortEdge desks, with four saved height positions. A person whose hard lower limit is 24 inches should not count these as a fit. The 40x26 instruction sheet specifies two minutes of continuous travel within a 20-minute period. The shared larger-size manual has conflicting text: its general warning says two minutes in 20, while its troubleshooting explanation says more than four continuous minutes can trigger H01. For conservative use, plan around the lower two-minute warning rather than treating four minutes as a normal operating allowance.
The larger-size manual explains anti-collision sensitivity and calibration, requires two people for assembly, and warns to leave at least one inch of clearance and keep cords out of the path. Its internal movement-limit mismatch is a reason to follow the stricter warning and ask Vari if your use depends on repeated adjustments. These manuals explain controls; they do not provide independent lift-speed, noise or stability measurements. A compatible cable tray is optional on the ComfortEdge product pages rather than included in the standard desk package. If an included tray is essential, do not assume the desk satisfies that need.
Choose by the hard fit first
Start by taping out width and depth. Then measure where the keyboard must sit when you are seated and standing, including the actual work-surface height, and list your equipment's total planned load. A fixed 40x26 top excludes a need for more than 40 inches of width or 26 inches of depth; the 48x30 requires room for 30 inches of depth. The 60x30 and 72x30 need still more width. Unknown static/dynamic capacity should stay unknown in a hard-load decision.
Choose the small model only if its usable top area is sufficient; choose 48x30 when more depth and width solve a real workspace problem; move to 60x30 or 72x30 when side-by-side placement justifies their longer footprint. If a contoured edge conflicts with your clamp, compare Vari's standard Electric desk line. If you want a different motor arrangement or a shallower surface, the Essential 48x24 is a separate model with different manual, top construction and height endpoints. Finally, confirm exact SKU finish, delivery and current warranty terms for the order you plan to place; the selector's on-page availability is a snapshot rather than a stock guarantee. Read the 40x26 review, 48x30 review, 60x30 review and 72x30 review for the specific desks and manuals.