This was my sisters computer.
She is  a non-smoker
It has 2 memory cards in it ,, so... i think 48mb may be more, don't know how to check.
comes with accessory pack  of cds
microphone
keyboard mouse.
1.6 gb HD
CD
Floppy

Macintosh Performa 6400/180:Technical Specifications

 Macintosh Performa 6400/180

Logic Board	Ports	Power
Processor: 603e, 180 PMMU: integrated FPU: integrated Data Path: 64, 40 L1 Cache: 32K L2 Cache: opt. 2nd Processor: opt. PC Compatbility Card Slots: 2 PCI, Comm II, TV, video in	USB:   ADB: 1 Video: DB-15 Floppy: none SCSI: DB-25 Geoports: 2 Ethernet: none FireWire:   Mic Type: PlainTalk AirPort Ready:   Other Ports: Printer Modem Speaker ,Headphone ,Remote Control ,	Max Watts: 220 Amps: 3 BTU per Hr: 752.4 Voltage: 100-125/200-240 Freq Range: 47-63 Hz Battery Type: 4.5V alkaline Soft Power: yes Pass Through: yes
Memory	Video Memory
Logic Board: 8 MB RAM Slots: 2, 168-pin DIMM Min - Max RAM: 16MB - 136 MB Min RAM Speed: 70 RAM Sizes: 8, 16, 32, 64 MB Install in Groups of: 1	Resolution Video Memory 1MB DRAM (built in) 512 x 384 n/a-bit 640 x 400 n/a-bit 640 x 480 16-bit 800 x 600 16-bit 832 x 624 8-bit 1024 x 768 8-bit 1152 x 870 n/a-bit 1280 x 1024 n/a-bit
Physical	Software	Storage
Introduced: 8/5/1996 Discontinued: n/a Form Factor: Performa 6400 Gestalt ID: 58 Weight (lbs): 44.5 Dimensions (in): 16 H x 7.8 W x 16.9 D	Addressing Modes: 32-bit Orig SSW: 7.5.3 Orig Enabler: System Enabler 410 v1.1 ROM ID: $077D ROM Ver: $29 ROM Size: 4MB AppleTalk Ver: 58.1.5 Mac OS Supported: 7.5.3 7.5.5 7.6 7.6.1 8.0	Floppy Size: 1.44MB Floppy Inject: manual Min. Int HD Size: 1.6GB Int HD Interface: IDE Orig CD Speed 8x Int CD Support: yes