Palm m500 series

Each of the m500 series models featured a Secure Digital (SD) or Multi Media Card (MMC) expansion slot.

(11.41 x 7.67 x 1.17 cm) Weight: 4.162 oz (118.0 g) Battery: Internal Lithium Polymer Rechargeable; 2hr recharge time when empty AC Adapter: Input: 120 V 60 Hz 10 W, Output: 5.0 VDC 1.0 A IrDA port Expansion Slot compatible with SD and MMC cards The m505 launched alongside the m500.

(11.38 x 7.70 x 1.27 cm) Weight: 4.8 oz (140 g) Battery: Internal Lithium Polymer Rechargeable; 2hr recharge time when empty AC Adapter: Input: 120VAC 60 Hz 11W, Output: 5.0VDC 1.0A IrDA port Expansion Slot compatible with SD and MMC cards On March 4, 2002, Palm released the m515.

Based on consumer reviews and surveys conducted by the company, the m515 was developed as an improved version of, and replacement for, the m505.

The m515 added an additional setting allowing the backlight to be put on "high", which was considerably brighter than its predecessor.

(11.38 x 7.70 x 1.27 cm) Weight: 4.8 oz (140 g) Battery: Internal Lithium Polymer Rechargeable AC Adapter: Input: 120VAC 60 Hz 11W, Output: 5.0VDC 1.0A IrDA port Expansion Slot compatible with SD and MMC cards