I want to know about centrally located projects with more than 400 units and a current average psf below $2000.

Without a doubt, Here are 20 projects with most average price PSF with over 400 units below $2000 psf in Central.

Project Name	Tenure	Completion	No. of Units	Avg PSF*
GEM RESIDENCES	99 yrs from 21/09/2015	2019	578	1,990
CITYLIGHTS	99 yrs from 05/01/2004	2007	600	1,986
THE TRE VER	99 yrs from 27/03/2018	2022	729	1,974
SKY HABITAT	99 yrs from 30/05/2011	2015	509	1,965
THE CREST	99 yrs from 21/12/2012	2017	469	1,961
V ON SHENTON	99 yrs from 29/11/2011	2017	510	1,959
KENT RIDGE HILL RESIDENCES	99 yrs from 09/11/2018	2023	498	1,951
BARTLEY RIDGE	99 yrs from 16/04/2012	2016	868	1,933
CLOVER BY THE PARK	99 yrs from 10/09/2007	2011	616	1,932
SIMS URBAN OASIS	99 yrs from 29/07/2014	2017	1,024	1,920
WATER PLACE	99 yrs from 02/03/1998	2004	437	1,876
COTE D'AZUR	99 yrs from 25/07/2001	2004	612	1,873
CARIBBEAN AT KEPPEL BAY	99 yrs from 16/08/1999	2004	969	1,867
PEBBLE BAY	99 yrs from 09/03/1994	1997	510	1,864
EIGHT RIVERSUITES	99 yrs from 11/07/2011	2016	843	1,839
QUEENS	99 yrs from 16/02/1998	2002	722	1,833
RIVER PLACE	99 yrs from 07/11/1995	1999	509	1,825
ICON	99 yrs from 29/01/2002	2007	646	1,813
RIDGEWOOD	999 yrs from 06/07/1885	1981	425	1,785
REFLECTIONS AT KEPPEL BAY	99 yrs from 15/03/2006	2011	1,129	1,748

*Based on URA sales data in the last 12 months. Otherwise, based on latest transaction